We consider a boiler heater thermostat to be a worthy investment in the long run. We are here to help you pick the best one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Reliance Boiler Heater Thermostat READ REVIEW

Best For The Money: Buy: Honeywell Boiler Heater Thermostat READ REVIEW

Best For User Interface: Buy: Ecobee Boiler Heater Thermostat READ REVIEW

Best For Top Notch Support: Buy: Emerson Rmostats Boiler Heater Thermostat READ REVIEW

Best With Iphone: Buy: Mysa Boiler Heater Thermostat READ REVIEW

Best With Heat Pump: Buy: Honeywell Home Boiler Heater Thermostat READ REVIEW

Best With Fast Shipping: Buy: Honeywell Line Voltage Thermostat READ REVIEW

Best For Power Supply: Buy: Lux Products Boiler Heater Thermostat READ REVIEW

Best For Energy Savings: Buy: Honeywell Home Smart Home Thermostat READ REVIEW

Best For Geothermal: Buy: Google Boiler Heater Thermostat READ REVIEW

Best Overall: Reliance Boiler Heater Thermostat

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The Reliance Boiler Heater Thermostat has good features for the price point. The reliance boiler heater thermostat is perfect for a good deal, It fits perfectly and it is best for a reasonable price. Make sure this fits by entering your model number. In addition, the thermostat worked perfectly and it allows for a perfect fit.

The thermostat is great for a great price and it is made with great service. Lastly, the reliance boiler heater thermostat has turned on running again and it is good for fast delivery.

Most buyers opine that the thermostat is identical to an alarm and it worked like it is supposed to. In addition, they say that the thermostat fits an old Bradford white water heater. Also, they strongly agree that the thermostat is perfectly, identical to the one it is replacing. In conclusion, buyers found this to be one of the best thermostats for daily purposes.

• This is cheaper than operating a gas boiler.
• This product adds great value.
• This comes with the right part and it works great.
• This is very useful and it is great for water heating.

Best For The Money: Honeywell Boiler Heater Thermostat

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For a low asking price, Honeywell Boiler Heater Thermostat has managed to overwhelm their customers by packing as many features as they could. The honeywell boiler heater thermostat is great for a great price, It is great at a nice price and has a good design. Make sure this fits by entering your model number. And, this is very basic, it is very happy and has a nice design.

The thermostat works nicely, set a temperature, It makes for a great replacement and has a straightforward design. Finally, the honeywell boiler heater thermostat is attractive, it is easy to operate and has a cool design.

Most buyers opine that the thermostat has to be a 'simple' two - wire (red and white) system. Moreover, they say that the thermostat is cycleing every 10 mins. And, a few say that this thermostat is spot - on accurate and easy to adjust.

• This is accurate for both the displayed temperature and the set point.
• Adjustable temperature scale: standard selection of 40 to 90f.
• This is great for replacing 2 wire rv/motor home furnace thermostats.
• This fits perfectly in a standard wall outlet.

Best For User Interface: Ecobee Boiler Heater Thermostat

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The Ecobee Boiler Heater Thermostat's high-end materials make sure that it ages well with use. The ecobee boiler heater thermostat is good for great support, It has trim plate and has a nice design. Make sure this fits by entering your model number. Further, this is best for cold spots, it is very attractive and has a straightforward design.

The thermostat is very good and comes with room sensors, It is perfect for a family room and has a solid design. And, the thermostat is suitable for reliable operation, is great for integration with Alexa, It is perfect for working with Alexa and has a clean design. Finally, the ecobee boiler heater thermostat works well for initial setup, It is perfect for top of the line and has a good design.

Almost all buyers agree that the thermostat is easy to get right, then, as mentioned, the thermostat verified the setup. In addition, a few strongly agree that the thermostat has been working amazing ever since. In addition, a few strongly agree that the thermostat is great as a basic thermostat, but there are other smart thermostats for less. Overall, many customers have used the electric boiler heater thermostat for more than a few months without any problems, and it shows no sign of giving up.

• This is easy to install and the directions for use are user-friendly.
• These features that make it quite handy and easy to program/use.
• This works with hydronic gas heat systems.
• This is easy to set up and operate, plus.

Best For Top Notch Support: Emerson Rmostats Boiler Heater Thermostat

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Not everyone likes to purchase a thermostat for their daily use, but the Emerson Rmostats Boiler Heater Thermostat would be an anomoly. The emerson rmostats boiler heater thermostat is attractive, It is great for outdoor temperatures and has a straightforward design. Make sure this fits by entering your model number. Also, it works as advertised, is robust, really well and has a great design.

Finally, the emerson rmostats boiler heaterthermostat works with hvac equipment found in most homes.

Almost all customers opine that the thermostat works well with Alexa and also it is worth the extra cost. And, they also found that the thermostat has two parts, the main guts that screws into the wall and where you connect all your wires and the front cover that snaps over it. In addition, a few say that the thermostat will periodically drop the wifi connection to save on battery life.

• This provides both temperature and humidity readings.
• This can be programmed to compensate for fluctuations in premises.
• The emerson sensi wifi smart thermostat st55 more than lives up to its name.
• This is easy to pair to the network and functions as designed.

Best With Iphone: Mysa Boiler Heater Thermostat

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Best part: MYSA boilerheater thermostat costs comparatively low and it is available to ship in 24 hours. The Mysa Boiler Heater Thermostat is highly recommend, is brand new, it followed the instructions and has play design. Make sure to check your gang box and ensure there is a neutral (120v) or second live (240v) wire available. And, the thermostat is easy to connect, is perfect for baseboard, it is elegant and has a sophisticated style.

The thermostat is really easy, allows for precise temperature control, It is perfect for user experience and has a sophisticated design. Moreover, this is not compatible with any 12. Most importantly, the mysa boiler heater thermostat includes wiring for a single pole, It works as advertised and has a solid design.

Almost all customers found that the thermostat works well and has a simple, yet effective, interface for setting schedules and remotely controlling the device. Moreover, a few say that the thermostat works well and it looks very sleek. Further, a few say that this thermostat controls line voltage baseboard heaters, 110 or 220 volts. Overall, most buyers agree that the thermostat suits them best, and no one questions it.

• This is rated for controlling electric heating systems up to 3, 800 watts.
• Save 26 on your energy bill.
• This can help you in more detail and prepare a replacement unit for you.
• This will dramatically affect energy savings.

Best With Heat Pump: Honeywell Home Boiler Heater Thermostat

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The Honeywell Home Boiler Heater Thermostat is capable of outshining several other thermostats featured in this list in overall features for the price point. The honeywell home boiler heater thermostat makes life easier, it is smart enough and has a cool design. It is easy to install yourself and works with many heating/cooling systems, plus heat pumps without auxiliary heat. This thermostat can not be used on heat pumps with backup heat or on multistage systems.

The thermostat is very informative, requires batteries, it has a built-in battery change and has a nice design. Finally, the honeywell home boiler heater thermostat is perfect for a good deal, It works as advertised and has offered design.

Most buyers found that the thermostat could not withstand the high current. Moreover, they strongly agree that the thermostat works with 3 wires as well. In addition, they also found that the thermostat would be perfect with the old boiler & radiator heat systems. To sum up, the tone of buyers is very positive and we believe that the thermostat suits the purpose.

• The fan operation on this model does not have a circulating setting.
• This will work for many years to come.
• This has replaced old white-rodgers mercury thermostats with a 3-zone hydronic system.
• Built-in battery change and filter change reminders.

Best With Fast Shipping: Honeywell Line Voltage Thermostat

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The best part: Honeywell Line Voltage Thermostat is comparatively low and it is available to ship in 24 hours. The honeywell line voltage thermostat has been an innovator, constantly creating more solutions for building smarter, more sustainable solutions. Double pole electronic thermostat can save up to 10% on annual heating costs. Moreover, this is a fortune 100 company.

The thermostat looks very nice, is very happy, it is made with fast shipping and has a great design. Finally, the honeywell line voltage thermostat reduces the clicking noise commonly heard with conventional thermostats.

Almost all buyers agree that the thermostat has a nice backlit display and controls. Further, a few say that the thermostat is a much better thermostat control than the old dialed ones. Further, they say that this thermostat is a rebranded and upgraded version of one of Aube 's products. Overall, the tone of buyers is very positive and we believe that the thermostat suits the purpose.

• It is great to actually have a programmable thermostat for baseboard heating.
• This will save so much frustration.
• This is easy to use, not a bunch of unnecessary bells & whistles.
• It is made in Seattle, Wa, USA.

Best For Power Supply: Lux Products Boiler Heater Thermostat

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The luxury products boiler heaterthermostat is specially designed for your regular usage and has all useful features. The luxury products boilerheater thermostat has swing adjustment, has a nice backlight, It is very nice and has a cool design. Make sure this fits by entering your model number. The touchscreen luxury tx9600ts thermostat gives homeowners easy access to control temperatures with the touch of a finger.

The thermostat is great for modern look, is reliable, it installed in minutes and has a simple design. Most importantly, the luxury products boiler heater thermostat is designed for universal compatibility, It turns on power and has modern design.

Almost all customers found that the thermostat is a great thermostat for the price and it is easy to use. Further, they say that the thermostat comes with a "quick start" installation guide. And, they also found that this thermostat is an amazing little unit. In conclusion, many have used the luxury products boiler heater thermostat for more than a few months without letup, and it shows no sign of giving up.

• This can be used alone or in addition to installing batteries as a backup.
• This allows for gradual temp changes between programmed settings and lots of changeable programs.
• This comes with a jumper for thermostats that need them.
• This is a trade off for lower heating bills and longer heater life.

Best For Energy Savings: Honeywell Home Smart Home Thermostat

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Not everyone likes to purchase a thermostat for their daily use, but the Honeywell Home Smart Home Thermostat would be an anomoly. The honeywell home smart home thermostat has flexible programming, has program settings and it is easy to for installation instructions. The wifi smart color thermostat allows you to create a custom temperature schedule for every day of the week. Further, it looks great, is really easy and it looks nice.

Lastly, the honeywell home smart home thermostat is easy to read with backlight.

Most buyers quickly discovered that the thermostat does not lose the setting when power is off. Further, they also found that the thermostat does not have the geo fencing feature. And, a few strongly agree that the honeywell home wi - fi color thermostat allows users to lock the screen and set a min / max temperature range stop. In conclusion, the tone of buyers is very positive and we believe that the thermostat suits the purpose.

• This does auto for heat and cooling.
• Easy operation and intuitive. Bright, easy-to-read touchscreen makes for simple operation.
• This does use a 12 volt dc connection.
• This provides one with their thermostat.

Best For Geothermal: Google Boiler Heater Thermostat

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If you want nothing but a thermostat that is convenient, this Google Boiler Heater Thermostat is certainly a right investment. The google boiler heater thermostat is easy to for installation instructions, It works great and has a solid design. The nest thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home. The limited warranty for this product applies only if purchased from amazon.com or if the product is packaged with a Google seal for online marketplace.

The thermostat has good build quality, is great for filter change, it is good for simple installing and has a great design. Lastly, the google boiler heater thermostat has pay attention, it is very happy and has a play design.

Almost all customers found that the thermostat works with most 24v heating and cooling systems, including furnaces, air conditioners, boilers, and heat pumps with either forced air or radiant delivery. Moreover, they say that the thermostat is compatible with zoned systems that use multiple thermostats, including dual zoned systems with dampers. Moreover, they say that the new nest thermostat has an energy dashboard you can check on the home app.

• This can hold the temperature for up to 24 hours.
• This is used for 2 - story house, so simple to use.
• Smart thermostat with hvac monitoring, which looks out for your heating and cooling systems.
• This particular thermostat does not connect with the nest app.