Model # RTH3100C

Internet #202024252

Store SKU #353971

Honeywell Digital Non-Programmable Thermostat for Heat Pumps
0085267267892

Honeywell

Digital Non-Programmable Thermostat for Heat Pumps

  • Digital Non Programmable Heat/Cool Pump Thermostat
  • Quality Temperature Control for Heat Pump with Auxiliary Heat
  • Easy to read backlit display with soft-touch button interface
$4011 /each

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Product Overview

The Honeywell Digital Non-Programmable Thermostat for Heat Pumps is for use with heat pumps that have auxiliary (back-up) heat. It is easy to use and install, with precise temperature control of +/- 1 Degree F. The backlit display is easy to use and an emergency and auxiliary heat-light indicator is included.

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Name Digital Non-Programmable Thermostat Deluxe Digital Non-Programmable Thermostat Digital Non-Programmable Thermostat for Heat Pumps Deluxe Digital Non-Programmable Heat/Cool Thermostat
Brand Honeywell Honeywell Honeywell Honeywell
Ratings (157) (128) (92) (39)
Operation Type Digital Digital Mechanical Digital
Certifications and Listings No Certifications or Listings No Certifications or Listings No Certifications or Listings No Certifications or Listings
Features Battery Operated,Low Battery Indicator Automatic Heating/Cooling Changeover,Backlit Display,Battery Back-Up,Battery Operated,Low Battery Indicator No Additional Features Automatic Heating/Cooling Changeover,Backlit Display
Thermostat Type Heating and Cooling Heating and Cooling Heating and Cooling Heating and Cooling
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Customer Questions & Answers

how do I install batteries how many & what type??????Can't find how to open thermostat???HELP

Asked by: electricallychallenged
Pull very hard on the bottom lip of the unit to separate the front plate from the mounted wall plate. You will see the batteries mounted inside. You might have to replace the wall anchors with expanding type after pulling the plates apart as it takes quite a bit of pulling before it separates and if the existing wall anchors are the basic push in type they might come loose. 2 AA cells.
Answered by: Charles
Date published: 2017-04-21

I recently purchased one of these & the light in the display only comes on when I hit a control. I thought it stayed on?

Asked by: shiloh
it only stays illuminated if hard wired if you use battery function then it only illuminates when in use IE pushing buttons
Answered by: mik
Date published: 2016-01-28

Does this thermostat have a loud click when it switches on and off?

Asked by: Terri
There are relays built into the thermostat that will make a faint click when the system turns on and off.
Answered by: Honeywell Support
Date published: 2017-05-30

CAN THIS WORK WITH AUXILLARY EMERGENCY HEAT ON HEAT,COOL PUMP UNIT AND BE DIRECT WIRED

DOES THIS WORK FOR COOL/HEAT-HEAT PUMP WITH EMERGENCY HEAT ALSO?
Asked by: NANA
Yes, specifically this model. Honeywell RTH3100C, supports a separate Emergency heat service circuit.
Answered by: GCS01
Date published: 2016-01-11
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Customer Reviews

Digital Non-Programmable Thermostat for Heat Pumps is rated 4.4 out of 5 by 92.
Rated 3 out of 5 by from Functional. Works as expected. No frills. Basic stat. Also has install instructions on the intern... Functional. Works as expected. No frills. Basic stat. Also has install instructions on the internet. Read all instructions carefully before purchase, before install and during install. Don't have to be an AC Technician but some low voltage wiring experience is helpful.
Date published: 2017-01-03
Rated 2 out of 5 by from Pros: Just installed the RTH3100C April 20, 2017. Followed the instructions and everything work... Pros: Just installed the RTH3100C April 20, 2017. Followed the instructions and everything worked good. I liked the controls as they matched the controls of the mechanical unit I replaced. Easy to read screen makes setting temps easy, and it looks good on the wall. Cons: Changing batteries! I had to use brute force to pull the front assembly off of the wall plate to get at the batteries. Almost pulled the whole unit off the wall including the wall anchors. I had to use expanding anchors instead of the basic ones supplied with the unit after getting it separated. A previous thermostat I owned had a simple flip down cover with the batteries easily accessible from the front. Battery replacement could have been made much simpler. Also, the wiring terminal was broken in half either at the factory or when I had to separate the halves. At this point, I pushed it together and was able to close up the unit. I was too frustrated at this point with it to remove and return the unit. I would not buy this model again because of the battery replacement issue. The average Woman and even some Men would not be able to open it to replace the batteries.
Date published: 2017-04-21
Rated 3 out of 5 by from The product, i.e. the hardware, seems to be working fine, but the installation wiring instructio... The product, i.e. the hardware, seems to be working fine, but the installation wiring instructions are very poor. I had to have my ac tech come to the house to fix the wiring. The hardware, i.e. the thermostat, seems to work as advertised, but the installation instructions are poor. First, you are instructed to press the fan button, but the button are not labelled on the front panel, nor do the photos in the instruction directions provide a simple little arrow illustrating the location of the "fan button". Fortunately, the panel only has three buttons, so trial and error can get you through this problem. The biggest problem is that the wiring directions are at best confusing. On page 7 it directs you to connect the "L" wire to the L terminal. On my system this creates a short circuit and blows a fuse in the air handler. I had to have my repair man come to the house and replace the fuse. If I had used diagram on Page 6, it would have worked fine. Unfortunately, no hint is provided in as to which diagram to use.
Date published: 2017-02-03
Rated 5 out of 5 by from this is a good product, the problem I had was the sales person at Home Depot, the thermostat is f... this is a good product, the problem I had was the sales person at Home Depot, the thermostat is for a total electric system, what I needed was for a A/C with a gas backup. The sales lady told me it would work for my application, when I got home, it clearly stated on the box that it would not. I made two trips over there and still didn't,have one. Home Depot doesn't sell one that works with my system. The webb page doesn't give you the information you need, that is why I called in the first place. I ordered one from e-bay, it works great and it was cheaper.
Date published: 2017-06-20
Rated 4 out of 5 by from This replaced a Pro Tech 520, the display went blank and in able to make it work again. Bought t... This replaced a Pro Tech 520, the display went blank and in able to make it work again. Bought the Honeywell rth3100c. wired up ok and worked as it should for about an hour and then the screen went blank, same as my old Pro Tech. Batteries are not required for either one and has always worked fine. After much frustration, I put batteries in the 30 minutes later the ac came on. Temp was set at 75 degrees and once it hit 75 degrees, it turned itself off. Thought it would turn off at 74? 10 minutes later ac started again and both temperatures read 75 degrees? Set room temp at 76 degrees and waiting for home temp to rise to see what happens at 76 degrees ? I have no clue what is goin on. Confused and dumb founded here. c
Date published: 2017-03-28
Rated 4 out of 5 by from unit replaced exact copy of itself. seems they only last about 5 yrs but being an duplicate only... unit replaced exact copy of itself. seems they only last about 5 yrs but being an duplicate only have to swap the main control so no rewiring. simple yet effective controls. same house has used programmable and non-programmable with no $$$ differences in consumption so why would anyone pay more for something that's complicated and saves one no money???
Date published: 2017-06-13
Rated 4 out of 5 by from The thermostat did what it made to do....control the temperature. The only problem is with a 90 y... The thermostat did what it made to do....control the temperature. The only problem is with a 90 year old who can see the room temperature but cannot see the set temperature without a magnifying glass.. I wish Honeywell made a unit that both room and set temperatures had a larger display.
Date published: 2017-03-21
Rated 4 out of 5 by from I just had this one installed yesterday. I wanted to replace one of those "programmable" versions... I just had this one installed yesterday. I wanted to replace one of those "programmable" versions that the previous owner had installed. Although I am very well able to navigate digital media, and technology. I DON'T want or need to have a "personal relationship" with every one of the devices in my home. I have far too many better things to do with my life! Simplify as much as possible is my motto. I had a model similar to this one in my previous home and loved it. This one is so easy to use even a child can set it.
Date published: 2016-12-11
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