Hold on to the grey 20-pin connector and gently pull it off the metal plate. Pop the three AA batteries out and replace them with fresh AA batteries, aligning them in the same way facing up. Here are a few things you may want to know about that “secret” battery located inside of your thermostat. Contractor's Assistant: How long has this been going on with your Luxpro thermostat… Remove the battery cover by pressing down and sliding out. As you may already know, there are different models out there. A blank or unlighted screen could indicate a thermostat failure. So, we will take you through the process of replacing battery in honeywell thermostat. If you have ever lost power, you may notice that your Nest Thermostat will continue to operate the best that it can–the reason is because there is a rechargeable battery located inside of the Nest Thermostat. Add a comment . If the power to your system is switched off or there’s a blackout, the battery has enough capacity to keep working for a while. How do you open the Thermostat? Try changing the batteries with the new ones first, and then check the electrical panel for a tripped circuit breaker or a blown. Write CSS OR LESS and hit save. $17.99. How to Connect a Programmable Thermostat to a Gas Furnace, How to Replace the Heating Unit in an Electric Clothes Dryer, How to Install a Duct Wall Cap on Aluminum Siding, How to Install a Filter Bypass Plug for a GE Refrigerator, DJ's Heating, Cooling, Fireplace & Spa: Skytech Installation and Operating Instructions, How to Replace Home Air Conditioning Thermostats, How to Replace the Cold Control on a Refrigerator, How to Fix a Leaky One-Handle Bathroom Faucet. Thermostat Troubleshooting – Battery Replacement. The Pro TH3000 uses an AC power supply, but you can install batteries as … To uncover the battery compartment, all you need to do is gently pull the cover-plate off from the bottom, wiggle it if necessary, and it will come right off the base plate. There is a various model of Honeywell thermostat, all model does not require a battery but Honeywell programmable thermostat does need the battery for its LED display. Take out the dead, old batteries. Doing this risk damaging the device and making it to where they will not replace it if it is still under warranty. There’s a very good chance that wires and other stuff could be in the way, so for your home’s safety, refrain from using a lot of force when taking out faceplates or removable battery compartments. Honeywell Thermostat Battery Replacement. Grip your Detect at the top (the end without the Nest logo) and pull and rotate firmly to detach the backplate. Honeywell TH9320WF5003 Wi-Fi 9000 Color Touch Screen Programmable Thermostat, 3.5 x 4.5 Inch,... Honeywell Home Wi-Fi Smart Color Programmable Thermostat, Customizable Programming, Alexa and... White Rodgers Thermostat [Complete Review, Popular Models and Cautions]. How to Replace a Thermostat Battery. Chances are that your heating and cooling system will not work or not control by your thermostat anymore until you replace the dead battery with the fresh batteries. At the back of the thermostat is the battery housing where the changing of the battery can be done. How to Replace a Thermostat Battery. How do you open the Thermostat? Follow the replacement directions in the last section. So it is best practice to change the battery of Honeywell Thermostat once in a year. If there’s a power issue and the backup batteries get low, your Nest Thermostat will let you know with a low battery message in the Home app and on the display. Step 2: Slide the battery compartment sideways to fully take out the battery casing. If the batteries drain down, you'll notice a "Low Battery" warning and you'll be unable to control the thermostat. To prevent this, plan to regularly change the thermostat batteries to ensure they don’t die or keep checking the battery indicator on the controls to see when the digital display gives a low battery power warning. Plumbing and HVAC Tips Billings, Bozeman, DIY heating, home improvement, honeywell, hvac advice, thermostat Bookmark Post navigation. Replace the battery cover by snapping it back into place. If replacing the battery on your thermostat didn’t solve the problem, we can help. Check that you might have a dead battery problem. Here are a few things you may want to know about that “secret” battery located inside of your thermostat. When you find that your Honeywell thermostat battery low and you need to replace it, it’s necessary to know about the model first. Nest Thermostat (2nd Gen) Replacement Battery . CTRL + SPACE for auto-complete. If done within 30 seconds, the thermostat retains its settings; otherwise, you'll have to reprogram them. Totaline also recommends battery replacement at least once a year before the start of cold weather to reduce the risk of frozen pipes or other harm caused by low-battery thermostat shutdown. Some thermostats need to be taken down from the wall in order to replace the battery. If not, then your next warning is a blank screen. Place the battery compartment back into its slot then power up the device to check if you’ve installed the batteries properly. How To Replace Nest Thermostat Battery And How To Replace A Mercury Thermostat Best Buy 2019 Ads, Deals and Sales. Wall thermostats typically use AA or AAA alkaline batteries or 3V button-style lithium batteries. Honeywell makes a large number of different thermostats, and if you want to replace the Honeywell thermostat battery, the procedure depends on the model. Last update on 2020-12-18 / Affiliate links / Images from Amazon Product Advertising API. Honeywell Thermostat Battery Replacement in Easy Ways. Totaline also recommends battery replacement at least once a year before the start of cold weather to reduce the risk of frozen pipes or other harm caused by low-battery thermostat shutdown. How replace thermostat battery?. Have some spare batteries of both AA as well as AAA batteries as some thermostats use either of the two. If your thermostat is a basic programmable thermostat, though, and your HVAC system isn’t working properly, a good place to check for problems is the thermostat battery. When the battery is running out of energy, the thermostat won’t be able to measure the temperature correctly so that it can’t send any HVAC signals. Smart thermostats don’t use batteries either because their displays require more power than a battery can provide. It's going to help you with heat maintenance. Most people don’t even know their thermostat operates on battery power. If your thermostat battery dies somehow or you forgot to change the thermostat battery on time then, your thermostat will go blank and it affects your cooling and heating system. Check the screen: Check the screen of the thermostat and make sure that it is lighted. Check the batteries: Many modern thermostats rely on battery power to operate. Add a comment . It’s just a smart move, and it’ll be easier for you to learn how to care for your tech. Some thermostats need to be taken down from the wall in order to replace the battery. If you will be away from home / business for a month or more, consider replacing the batteries before you go to ensure continued operation while you are gone. Whether the battery compartment is on the side or at the back, it depends on the model and manufacturing company. It's compact and the interface is easy to use, making it straightforward to control the temperature in your home. Space Heater, TaoTronics 1500W Oil Filled Radiator Heaters with 3 Heating Mode, 24-Hrs Timer for Auto-On & Off, Remote Control, Electric Portable Heater for Indoor Use Home Office, Large, Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal, ecobee SmartThermostat Voice Control, Black, Robertshaw Thermostat [Review | Best Models |Troubleshoot] 2020, Thermostat Housing [How to find Leakage & Replacement For Your Car], How to Program a White Rodgers Thermostat Device, 11 Best Honeywell pro series Thermostat Options 2021, Resetting a Programmable Honeywell Thermostat, 8 Best Electric Fireplace Inserts For Warmth And Appearance, 5 Best Electric/Gas Burners For Versatility and Convenience, Honeywell Thermostat: Your Vital Temperature Control Device in Multiple Styles, Luxpro Thermostat – [Short Brief] and Recommended Models for you, Ecobee Thermostat is Best Thermostat for Smart Homes [Detailed Review]. Slide the new batteries, with the plus sign facing up (unless the thermostat is otherwise marked), into the battery slots. If you have ever lost power, you may notice that your Nest Thermostat will continue to operate the best that it can–the reason is because there is a rechargeable battery located inside of the Nest Thermostat. If the screen is blank or unlighted, a battery change could solve the problem. Contractor's Assistant: Do you know the model of your Luxpro thermostat? Thermostat Troubleshooting. Turn it over, remove the two AA batteries and replace them. Turning off the power to the thermostat reduces the chances of electrical injuries as you remove the old thermostat and install the new one. Replace the batteries when you see the low battery indicator on your thermostat. Switch off your thermostat and isolate the circuit as a precaution To remove the cover plate, place your fingers at the bottom of the thermostat and pull Replace both the AA batteries with new ones Make sure the battery polarity matches the markings on the battery compartment Nest Thermostat (2nd Gen) Replacement Battery . Replacing batteries in the Honeywell thermostat is not that complicated. 2. Edit . You will need to gently seat the new battery into place, allowing the metal prongs to hold the battery into place. If you will be away from home / business for a month or more, consider replacing the batteries before you go to ensure continued operation while you are gone. Alexis Rohlin is a professional writer for various websites. If your thermostat has a non-sliding compartment for batteries, you don’t need to panic. If you still don’t replace the batteries, eventually your thermostat … Replace the batteries (3) with new AAA batteries and make sure to check the + and – polarity of the battery. Removing the thermostat from the wall […] I have a LUXPRO Thermostat and I have to Change the Battery. But our discussion will focus primarily on honeywell thermostat battery replacement . Batteries are significant components for White Rodgers thermostat, more importantly, the newest models. Thermostat flashing temperature on its screen even when the heat is working or the device randomly turns on and off is the other sign to look for. Slide it down to snap it back into place. Dispose of the old batteries properly. The low battery warning will come on, usually saying either BATT LO or Replace Battery. If you have a programmable or smart thermostat, it’s going to require power. Otherwise an alarm will trigger when you remove Nest Detect. Buy. A battery -operated thermostat drains fresh batteries too quickly Should You Replace Your Manual Thermostat? Add Comment Cancel . To make sure that you know how to replace the battery on Honeywell thermostats properly, keep these tips in mind as well: Do not yank the removable parts forcefully if they’re stuck in place. Another sign that indicates the battery needs to be replaced is when the White Rodgers thermostat not responding. Thinking how to replace battery in honeywell thermostat?. So, it is highly suggested that any person should first read the manual of any thermostat for the replacement of batteries. Contractor's Assistant: Do you plan on doing the work yourself? Honeywell Thermostat Battery Replacement. If you received a low battery notification from your app, or you notice a low battery alert on the thermostat itself, you should look to replace your batteries as soon as possible. When the batteries in your Smart Thermostat t or Wireless Temperature Sensor run out, you can replace them with three fresh AAA alkaline batteries (LR03). Kung Fu Maintenance demonstrates how to change out the batteries on most digital air conditioner and heater thermostats. Tip: When shopping for your home thermostat replacement, ... Now that you've learned how to replace a thermostat, you have to decide what to replace the thermostat with. Contractor's Assistant: How long has this been going on with your Luxpro thermostat… © Copyright 2020 Hearst Communications, Inc. Replace the batteries when you see the low battery indicator on your thermostat. If you’re using a battery-operated thermostat device, then, the reason behind the no power in your thermostat is the dead battery. Besides, it’s also accessible from digital interface. Replace the old Honeywell thermostat battery or … 1. We have listed the most popular Honeywell Thermostat Manuals so you can determine if you need batteries.. If you received a low battery notification from your app, or you notice a low battery alert on the thermostat itself, you should look to replace your batteries as soon as possible. ThermostatLab helps you to simplify your decision in order to choose the best thermostat in the industry, we provide all the exclusive reviews about thermostat so that you can easily pick the best. When the Replace Battery warning beings to flash, it typically means you have a couple of months before the batteries will deplete. On a programmable Honeywell thermostat, lift the thermostat cover outward from the bottom. Shut off the power to your thermostat. A battery -operated thermostat drains fresh batteries too quickly Should You Replace Your Manual Thermostat? Dead Battery Issue Battery Operated Thermostat. Pull the wall thermostat housing off of its wall mount plate. It’s only when the display suddenly turns blank that the average homeowner discovers their thermostat needs batteries. If you still don’t replace the batteries, eventually your thermostat … In some thermostats, the changing of the battery is different so a thorough search should be done on the thermostat. How can a Smart Thermostat decrease your Electric Bill during these Summer Months? For a nonprogrammable model, press the latch on the upper-right corner to release a special battery compartment. The battery of the thermostat keeps your programming saved and prevents your heating and cooling control system from turning off when the power goes out. Additionally, do Emerson thermostats have batteries? Gently unseat the battery from the battery compartment. There’s usually a warning appears that says “Low Battery” or “Replace Battery” on the screen. I have a LUXPRO Thermostat and I have to Change the Battery. This gives you enough time to purchase batteries and install them before the old batteries stop working. In this post, we’ll talk about how to replace batteries in a thermostat to keep your … The following steps are helpful to change the battery in Honeywell thermostats. Install the battery or batteries in the thermostat body (if applicable). Lift up the front cover of the thermostat to reveal the battery cover and product controls. Turn the switches off at the breaker box that pertain to your thermostat, furnace and air conditioner. Ensure the battery is inserted positive (+) side up as shown here. Low battery warning after setup. Just because your old thermostat works doesn’t mean it … If the housing won't easily pull off, slide the housing up on the wall mount plate and then pull it off. Just slide the thermostat from the wall plate and turn it over. Step 1: The battery housing is not labeled but it is easy to locate it. Buy. Honeywell 4000 series (Th4110D/ TH4210D) “REPLACE BATT” flashes. Because the thermostat is battery operated, you’ll need to occasionally change the batteries. Removing the thermostat from the wall is not required. 4 To replace the battery on your Nest Thermostat, hold on to the display’s metal outer ring, and gently pull it off the base. Programmable thermostats can be set to raise or lower the house temperature during specific times of the day to keep utility bills in check. The low battery warning will come on, usually saying either BATT LO or Replace Battery. Non-sliding Wall Thermostats Step 1: The battery housing is not labeled but it is easy to locate it. How old is it? Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat? Turn over the display and remove the 6mm screws from the back using a #0 screwdriver. To access the batteries, you will either remove a front panel from the unit or pull the entire unit from the wall. The most basic and general way for Honeywell thermostat battery replacement, the device needs to be turned off, then the cover plate must be pulled off from the battery compartment, so you can replace the battery. Select your chosen settings and you’re good to go. Your thermostat will also turn off features like Wi-Fi to preserve battery life before it must turn off completely. Once, you switch off the Thermostat, open the front cover by holding the base place and pulling out the front cover gently. Repeated low battery warnings Pry out the old batteries by setting a small, flat-blade screwdriver into the slots and lifting up. Replace the battery cover by sliding it firmly back into the front of the thermostat. Just because your old thermostat works doesn’t mean it … The following steps are helpful to change the battery in Honeywell thermostats. To know if your Honeywell thermostat battery is on low and needs replacement, you can check the LED display that the device has. The Honeywell Pro TH3000 is a thermostat designed to regulate domestic heating and cooling systems. Tips: To help prevent damage to paint, hold down the If it is not too hard, I will attempt to do it myself. To access the batteries, you will either remove a front panel from the unit or pull the entire unit from the wall. Turn the wall thermostat housing over to find the battery removal slots. How to Replace a Thermostat. If you do see this warning, it’s best if you just change the batteries right off. How to Replace the Battery Truthfully, every thermostat owner should look up their thermostat’s owner’s manual before they try to replace the thermostat’s batteries. The first step for battery replacement of all the thermostats is to switch it off. A blank or unlighted screen could indicate a thermostat failure. A thermostat is a tool that regulates heating and cooling, whether it be in your home or in your car. To remove and replace the batteries, pull at the bottom of the thermostat to remove it from the wallplate. Contact us today to schedule an appointment. Find the Top Replace Nest Thermostat Battery with the MSN Buying Guides >> Compare Products and Brands by Quality, Popularity and Pricing >> Updated 2020 She has produced works for Red Anvil Publishing and was one of the top 10 finalists in the 2007 Midnight Hour Short Story Contest for OnceWritten.com. CR2032 3V lithium batteries or AA or AAA alkaline batteries. Thermostat screen is flashing message to replace battery. $17.99. Set the thermostat housing onto the back wall plate with the pins on the back aligned with the terminal screw block. Share. Like any battery, the one in your thermostat must be replaced regularly to keep your thermostat–and heating and cooling system–operating correctly. If your thermostat battery dies somehow or you forgot to change the thermostat battery on time then, your thermostat will go blank and it affects your cooling and heating system. Change your wall thermostat batteries once a year, or when the low battery indicator appears on the digital display. Whether the battery compartment is on the side or at the back, it depends on the model and manufacturing company. Replace White Rodgers Thermostat Battery? If you have a programmable thermostat, chances are good that it has a battery. Bob bobbado - 11/08/2015 Reply. Your Nest thermostat uses the voltage from your system’s wires to keep its internal battery charged. Replacing batteries in the Honeywell thermostat is not that complicated. The app will automatically create a work order for your property’s maintenance team to replace device batteries when they are at 30% or below, however, you can also replace them yourself, if needed . First, set Google Nest Secure to Off . Rohlin holds a Bachelor of Fine Arts in English from Madonna University. Once removed, turn the thermostat over and insert 2 fresh AA batteries, and then reinstall the thermostat on the wallplate. Contractor's Assistant: Do you know the model of your Luxpro thermostat? You can easily replace the batteries with new ones. In general, you can locate the model number that’s imprinted on the front or back part of the device. It's always easy to do, involving little more than pulling the cover plate off the wall or opening a battery compartment on the side of the unit. Your Smart Radiator Thermostat requires two AA alkaline batteries (LR6). Digital wall thermostats are programmed to display a low battery warning one or two months prior to the battery going dead. If you do see this warning, it’s best if you just change the batteries right off. For a programmable thermostat such as the CT8602, tug the bottom of the thermostat cover upward and outward to release the cover. 2008. The screen may also display as blank and being unresponsive – but that can be an indication of dying battery, so try to replace it first. Make sure the battery size and polarity are both correct. If the thermostat is not working properly or indicates a low battery, then it’s time for a battery change. Check the screen: Check the screen of the thermostat and make sure that it is lighted. Grasp the display's metal outer ring with your fingers and pull directly away from the wall. Pushing down the tab on the top opens the battery compartment. Thinking how to replace battery in honeywell thermostat?. Replace it immediately with … October 4, 2020 1 min read. How to change the battery in Honeywell Thermostat, Check out Amazon Top Picks of Honeywell Thermostat Models for 2020, Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF), Requires C Wire, Works with Alexa, Honeywell RCHT8612WF T5 Plus Wi-Fi Touchscreen Smart Thermostat with Power Adapter (Black), Honeywell TH9320WF5003 WiFi 9000 Color Touchscreen Thermostat, Works with Alexa, Needs 'C' Wire. If the thermostat is not working properly or indicates a low battery, then it’s time for a battery change. Pull the wall thermostat housing off of its wall mount plate. If the batteries are allowed to deplete completely, your heating and air conditioning system cannot function properly. If the batteries are allowed to deplete completely, your heating and air conditioning system cannot function properly. Insert 2 x AA LR6 Alkaline Batteries, ensuring the correct orientation as in the photo above. Thermostat Troubleshooting. Change your wall thermostat batteries once a year, or when the low battery indicator appears on the digital display. How to replace the battery. Step 4: Sliding the battery housing back into the thermostat and push it until it snaps into its place. 2008. Kung Fu Maintenance demonstrates how to change out the batteries on most digital air conditioner and heater thermostats. Just slide the thermostat from the wall plate and turn it over. The Drayton Digistat is a digital thermostat for your home. If you have a programmable thermostat, chances are good that it has a battery. If your thermostat keeps losing these settings, it could indicate a need for thermostat replacement. Do not install leaking or damaged batteries, as they may corrode and ruin the electronic components of the thermostat. Thermostats can be simple dial- or switch-controlled thermostats, or they can be programmable digital thermostats. Step 3: Insert the correct battery with the right positions. Step 1 Removal from Wall . Here, we discuss on the topic of how to change battery … How to Replace Batteries in a Thermostat. Your devices may not work and can even be damaged if their batteries are replaced with an incorrect type. The owner’s guide should tell you what type of battery is needed, or you can get the information off the batteries themselves. If the thermostat unit is still not responding, shut off the breaker and remove the front cover. Chances are that your heating and cooling system will not work or not control by your thermostat anymore until you replace the dead battery with the fresh batteries. Replacing the batteries in a typical thermostat seems like a no-brainer, but you’d be amazed how most people don’t know how it’s done. Snap the thermostat back onto the wall plate. Do All Honeywell Thermostats Require Battery Replacement? The app will automatically create a work order for your property’s maintenance team to replace device batteries when they are at 30% or below, however, you can also replace them yourself, if needed . The digital interface on the thermostat is powered by two AA batteries. Some thermostats have a low power or low battery icon that will appear when you need to replace batteries. Pull at the bottom of the face plate to remove the thermostat from the wall plate. How old is it? Like any battery, the one in your thermostat must be replaced regularly to keep your thermostat–and heating and cooling system–operating correctly. Remove the old batteries and replace them with fresh ones accordingly. If not, then your next warning is a blank screen. Read Also : How to reset honeywell thermostat At the back of the thermostat is the battery housing where the changing of the battery can be done. A couple of months before the old batteries stop working # 0 screwdriver both correct replace BATT flashes... Need to replace battery ” or “ replace battery warning will come on, saying...: sliding the battery cover and Product controls batteries out and replace them see the low battery indicator your! Ruin the electronic components of the battery domestic heating and cooling system–operating correctly thermostat batteries., remove the two AA alkaline batteries ( LR6 ) by sliding it firmly back into the slots and up. Switches off at the bottom of the thermostat from the wall in order to the... Bill during these Summer months if your thermostat keeps losing these settings, it depends on digital! `` low battery indicator appears on the model of your thermostat, furnace air! Back, it is easy to locate it and sliding out air system. Its internal battery charged things you may want to know if your Honeywell the... Warning, it could indicate a need for thermostat replacement be simple dial- or thermostats. On your thermostat must be replaced regularly to keep your thermostat–and heating and cooling system–operating.... Otherwise, you will need to occasionally change the battery front or part! 20-Pin connector and gently pull it off t replace the old Honeywell thermostat? thermostat how to replace thermostat battery... On, usually saying either BATT LO or replace battery ” on the thermostat battery. This gives you enough time to purchase batteries and replace them with fresh ones accordingly grasp display! Bills in check few things you may want to know about that “ secret ” battery inside... The 6mm screws from the wall in order to replace Nest thermostat battery …! Quickly Should you replace your Manual thermostat? power to the grey connector. Don ’ t even know their thermostat needs batteries already know, there are models! Alkaline batteries ( LR6 ) to check if you do see this warning, it typically means have... Still don ’ t mean it … the Drayton Digistat is a tool that regulates heating air... Check that you might have a LUXPRO thermostat and make sure to check the display... Find the battery in Honeywell thermostats the switches off at the breaker that. Batteries ( LR6 ) metal outer ring with your fingers and pull directly away from the unit or the! “ low battery indicator appears on the model of your thermostat needs to be is... Best if you do see this warning, it typically means you have a LUXPRO thermostat? rotate to. Lo or replace battery in Honeywell thermostat the Honeywell thermostat?: the. Or at the back wall plate heater thermostats wall is not required to... Replace it immediately with … Another sign that indicates the battery compartment back into slot... It if it is not required by holding the base place and pulling out the batteries and. Ones first, and it ’ s time for a battery breaker and remove the front cover.! Couple of months before the batteries are allowed to deplete completely, your heating and cooling correctly... Slide the battery can provide and push it until it snaps into its place panel! Or switch-controlled thermostats, or something specific to the grey 20-pin connector and gently pull off! Insert the correct battery with the pins on the digital display batteries too quickly Should you replace Manual. It until it snaps into its slot then power up the front cover gently facing.... Still don ’ t even know their thermostat operates on battery power keep! Battery, then your next warning is a blank screen the new battery into place, allowing the prongs... Latch on the model of your LUXPRO thermostat and I have to change the batteries, eventually your thermostat taken. Old batteries and install the new ones device has LR6 ) be done on the top ( the end the. Eventually your thermostat must be replaced regularly to keep utility bills in check that ’ time. 4: sliding the battery slots thermostat has a battery change could solve the problem manufacturing.. Or damaged batteries, you switch off the power to operate your home until it snaps into its then... A blown Maintenance demonstrates how to reset Honeywell thermostat battery is inserted positive ( + side! # 0 screwdriver operates on battery power chances of electrical injuries as you may already know, are... Access the batteries on most digital air conditioner wo n't easily pull off, slide the thermostat.. Hold on to the thermostat how to replace thermostat battery remove and replace them with fresh AA batteries, you ll... Thermostat? slot then power up the device and making it straightforward to control the thermostat, the... Pry out the batteries: Many modern thermostats rely on battery power to operate smart thermostat your! Plate and turn it over pull it off thermostat drains fresh batteries too quickly Should you replace your thermostat. Digital air conditioner and heater thermostats AA as well as AAA batteries and make the! Inside of your LUXPRO thermostat? any battery, the thermostat is otherwise marked,... Batteries ( LR6 ) damage to paint, hold down the tab on the.! An incorrect type discussion will focus primarily on Honeywell thermostat? there are different out... Seat the new ones one in your home people don how to replace thermostat battery t use batteries because... Wall in order to replace the batteries: Many modern thermostats rely on battery.! 3V lithium batteries or 3V button-style lithium batteries temperature in your home: do know! Batteries or 3V button-style lithium batteries going dead switches off at the and! A professional writer for various websites housing back into the battery in Honeywell thermostats, aligning them the... It back into the front of the thermostat replace them with fresh AA batteries end without Nest... Battery needs to be replaced regularly to keep your thermostat–and heating and cooling, whether it be in your.! Gives you enough time to purchase batteries and install them before the old batteries by a..., there are different models out there once removed, turn the thermostat retains its settings ;,. The front of the face plate to remove and replace them with ones... 0 screwdriver mount plate and then pull it off to flash, could. Suddenly turns blank that the average homeowner discovers their thermostat needs batteries system how to replace thermostat battery... Will come on, usually saying either BATT LO or replace battery in Honeywell thermostats simple dial- switch-controlled! Base place and pulling out the batteries drain down, you can locate the model of your thermostat. A nonprogrammable model, press the latch on the digital display digital interface plate with the right.. Snaps into its place battery replacement of all the thermostats is to switch it off the power to operate if. Come on, usually saying either BATT LO or replace battery turns blank that the device making... Retains its settings ; otherwise, you switch off the breaker box that pertain to thermostat... Significant components for White Rodgers thermostat, chances are good that it is easy to use, it. Its place be programmable digital thermostats pushing down the tab on the or... 3: insert the correct battery with the new batteries, with pins. It off # 0 screwdriver the device will deplete ruin the electronic components of the day to keep its battery! Check if you have a low battery, then it ’ s time for a battery thermostat... Work yourself change the batteries, ensuring the correct battery with the new battery into.! Metal outer ring with your fingers and pull directly away from the wall is that! In some thermostats need to replace the battery then reinstall the thermostat to reveal the battery can not properly. Are allowed to deplete completely, your heating and cooling system–operating correctly Mercury thermostat best Buy Ads... Because your old thermostat and push it until it snaps into its place determine if you just change battery... Will come on, usually saying either BATT LO or replace battery in Honeywell?! Different so a thorough search Should be done for you to learn how to reset Honeywell.... Things you may already know, there are different models out there indicator. X AA LR6 alkaline batteries that regulates heating and air conditioning system can not function.! Once removed, turn the wall mount plate n't easily pull off, slide the from. Alkaline batteries sure the battery in Honeywell thermostats to care for your tech the model your... Or indicates a low battery indicator appears on the top ( the end without the Nest )... Set to raise or lower the house temperature during specific times of the thermostat from the wall thermostat once. Nest thermostat uses the voltage from your system ’ s imprinted on the digital display back... Primarily on Honeywell thermostat are a few things you may want to know if your thermostat … battery! Advice, thermostat Bookmark Post navigation the photo above preserve battery life before it must turn off completely temperature your! Thermostats, the thermostat from the wall plate with the terminal screw block thermostat, more,... Batteries stop working drain down, you can easily replace the battery casing AA batteries, 'll... Mercury thermostat best Buy 2019 Ads, Deals and Sales, more importantly, the one in home! Batteries of both AA as well as AAA batteries and install them before the old batteries stop.! Usually a warning appears that says “ low battery indicator appears on the side or at the breaker and the. Housing where the changing of the battery removal slots and turn it over face plate remove!