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Non-Programmable Thermostat, 24 Volt or Millivolt system, Horizontal
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MANUALS (4)
Product Highlights
Description
Non-Programmable Thermostat, 24 Volt or Millivolt system, Horizontal
For Residential Heating and Cooling Applications. Comfort-Set 70 Series Economy Digital Thermostats are the Perfect Upgrade from Mechanical Thermostats. The 70 Series Will Cover Wall Marks Left by Most Mechanical Thermostats Without the Need for an ExtraWall Plate
Specs
| Amperage: | 1.5 |
|---|---|
| Application: | Single-Stage (Heat/Cool) |
| Stages: | 1 Heat/1 Cool |
| Programmability: | Non-Programmable |
| User Interface: | Push Button |
| Mount: | Horizontal |
| Options: | Fan Control |
| Power Method: | Battery |
| Changeover: | Manual |
| Temperature Range (F): | 45°F - 90°F |
| Voltage: | mV Low voltage 24V |
| Wattage: | 1.5 to 45 |
| Wiring: | B Y G W Rh O Rc |
| Color: | White |
| Height: | 3-3/4" |
| Width: | 5-1/8" |
| Depth (Inches): | 1-1/8" |
Questions?
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Product Reviews
Most Liked Positive Review
Part is exactly what we wanted
Most Liked Negative Review
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Pretty horrible experience.
Great supplier
No question would buy again.
Exactly as described
This is my standard tstat for my retired clients
perfect. durable
Great thermostat
Great plain tstat
Great thermostat great company very very fast shipping
Everthing was great.
Easy to use works well
Product Q&A
20 QuestionsQ: My thermostat is reading low. I don't have the Manuel and I want to replaced the batteries but I can't seem to get it off the wall or open it up. I don't want to destroy it so I do I remove it so I can replace the batteries
Asked by frankie 8 years ago
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Verified Reply- This thermostat requires 2 "AAA" alkaline batteries to operate. If is displayed, the batteries are low and should be replaced. For best results, replace batteries once a year with new premium brand alkaline batteries such as Duracell® or Energizer®. To replace the batteries, install the batteries along the top of the base (see fig. 1). The batteries must be installed with the positive (+) ends to the right. https://www.screencast.com/t/bS0cOO5hX
Q: We have a White Rodgers non programmable thermostat and when we turned it on the first time this year, the "flame" symbol flashed for a short while. What does that signify? It stopped after a minute or so and the heat was working. I was concerned that it may represent a problem. I couldn't find an answer online. It is for electric heat pump.
Asked by jinger 11 years ago
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Verified Reply- SupplyHouse StaffThe flame symbol is flashing when the thermostat is calling for heat.
Q: What is the "emer" setting for? When do I need to use it?
Asked by Sandi 11 years ago
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Verified Reply- Supplyhouse Staffemergency. for emergency heat sources
Q: is the 1F78-144 back lite
Asked by Quiz 12 years ago
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Verified Reply- Supplyhouse Staffyes it is
Q: how do i change the thermostat from f to c
Asked by kareem 13 years ago
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Verified Reply- PexSupply StaffPage 4 of the user guide has instructions on changing from F to C. The user guide can be found here on our site : http://s3.pexsupply.com/product_files/White%20Rodgers%20-%201F78-144%20-%20Install%20Instructions.pdf
Q: What type of battery do I use and how do I replace it. My system reads low battery.
Asked by Althea 14 years ago
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Verified Reply- PexSupply StaffThis thermostat uses two AAA batteries. Please refer to the manual linked below for battery-replacement information. http://s3.pexsupply.com/manuals/1249544570102/White_Rodgers_1F78-144_Instructions.pdf
Q: What do i do when the compressor is in lockout mode? Will it restart eventually or is this an issue with the a/c unit?
Asked by Carol 14 years ago
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Verified Reply- PexSupply StaffYou can restart it yourself. You can reset the thermostat by pressing the up and down buttons at the same time while moving the SYSTEM switch from OFF to HEAT. This also resets the factory defaults.
Q: I have a WHITE RODGERS 1E56N-444 and want to replace it with a WHITE RODGERS 1F78-151. Will this work or is there a better choice?
Asked by mike 14 years ago
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Verified Reply- PexSupply StaffPlease refer to the link below for a list of suggested alternatives from the manufacturer. http://www.emersonclimate.com/en-us/Pages/WRSearchResults.aspx?key=1E56N-444
I replaced an old mercury tstat with White Rodgers 1F80-0261. It has programability of 5+1+1 whereas the 1F78-151 is 5+2. The F80 is about $20 more than the F78. My biggest reason wasn't the programability but that I could power the F80 off the 24v transformer that powers my furnace gas valve. I had to draw a simple wiiring diagram to see how the existing tstat was wired and figure out what was needed for the F80. All digital tstats need power and the F78 is battery only. If my power goes out the F80 has batteries to remember the program but I use it on in manual so that doesn't matter to me. I wanted a newer digital tstat and I wanted one that could be powered off the system 24v. I am happy with how the F80 works and I like White Rodgers
Q: Non-Programmable Thermostat, 24 Volt or Millivolt system, Horizontal Q: what does a flashing asterisk under the temp setting mean? You answered: If there is a flashing snowflake beneath the set temperature (the number on the right side of the display), it means that the compressor is in lockout mode. My question: What do I do?
Asked by Melis 14 years ago
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Verified Reply- PexSupply StaffAccording to the Installation Instructions, many furnaces have safety devices that shut down when a lock-out condition occurs. If the heat works intermittently contact the furnace manufacturer or local service person for assistance. You may need to clean your filter, clean your coil, or if you are cooling, you may be low on freon.
Q: In the heat position how do I adjust the low temp from 67 degrees to 62 degrees?
Asked by JP 14 years ago
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Verified Reply- PexSupply StaffYou need to use the down arrow (located toward the upper-right of the thermostat) in order to decrease the setpoint temperature.
Just push the button down. The first time it will not move just keep pushing it down till you get to the temp you want. Make sure you are heat.