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  1. HVAC
    I am swapping out a Honeywell TH621OU2001 thermostat for a GoControl GC-TBZ48 smart thermostat at a new home we just purchased to make an airbnb. We use the same GoControl thermostats at all of our Airbnb's and I have installed dozens of them. We chose GoControl because we have a couple houses...
  2. HVAC
    I purchased a modular ranch home that has a hot water radiant heat system with a single boiler and two zones controlled by electric valves. It also has a ducted A/C unit mounted in the rafters for cooling. With this configuration, there are (3) separate thermostats.... (1) near the living...
  3. Appliances
    Hi everyone, I bought an old chest freezer that I want to adjust to use as a fridge. I am aware that freezer thermostats generally have a screw that can be adjusted to change the temperature range, and that many also have a "differential screw" (there may be other terms for it but I don't know...
  4. General DIY Discussions
    Thanks in advance for your time. I'm wiring baseboard heaters in my house. Foreseeing that my panel is running out of spaces, and because it's a old house and it's difficult to run wires around, I wanted to pull as little wire as possible. It would also be very difficult to have one thermostat...
  5. HVAC
    Hi All, We have a vertical, closed-loop waterless geothermal system, with backup heat, installed in 2010. I was hanging a barn door for my wife the other day, and dropped the rail, smashing the thermostat (RobertShaw 9420). I went to Walmart and picked up a Honeywell Wifi thermostat that...
  6. HVAC
    I have a Beckett R7184B control connected to a Honeywell RTH6300B1005 programmable thermostat. The wiring at the thermostat, however, does not match the wiring at the furnace. Everything currently works normally, but I'm trying to install a Google Nest and things aren't matching up. The Google...
  7. HVAC
    My honeywell wifi thermostat went blank while my heater was running yesterday and now my unit just blows air (no heat) and I can't shut off the unit unless I unplug the York furnace. Here's what I've checked so far but still can't figure out what's wrong and the cause of my blank thermostat...
  8. HVAC
    Hello all, I want to install a Nest thermostat in my condo. I currently have a Honeywell TB8575A1000 Thermostat that controls the Hot/Cold air handler. I have seen posts on this same setup: First I found this: This post was immediately thrown away as a no, can't be done. Also found this...
  9. HVAC
    I'm trying to install a new thermostat. My system is only 6 years old. My current thermostat has this configuration. American Standard Thermostat OT1/Black OT2/Brown W3/Pink R/Red W2/Gray W1/White Y1/Yellow G/Green O/Orange B/Blue I am trying to install a Honeywell RTH7560E. Here are the...
  10. Appliances
    I have an Admiral LNC7764A71 rev 11 dryer. The timer runs, but neither the motor nor the heating elements will start when the timer knob is pressed. While it is not a touchscreen /lcd etc. model, it sadly is not of the era of the separate momentary contact switch to goose the start windings...
  11. HVAC
    THE PROBLEM I have a Cadet CS202 wall heater (brand new) with a Honeywell thermostat (brand new). I programmed the thermostat on a schedule. The heater usually turns on when it is scheduled to do so, but sometimes turns off before it hits the desired temperature. The thermostat is showing the...
  12. HVAC
    Hi Everyone, I am trying to replace one old 8 wire thermostat in my condo. But my new thermostat has only 5 wires, I don't know to do it, are there anyone who could help me out? Old model is Honeywell T8575D2003 New model is Honeywell RTH2300B Thank you very much.:smile::smile::smile:
  13. HVAC
    Howdy to all, I have a maybe 30 some year old electric furnace and I want to change my thermostat to one that can automatically switch between heat and a/c as the season changes or the temperature dictates. Unfortunately, I won't be able to get into the room that has the thermostat until mid...
  14. Electrical
    Greetings. Two days ago, a power surge from an electrical storm destroyed at least 5 thermostats in our planned community neighborhood of 60 homes. In each instance, the thermostat was a Nexia/Trane model 624 (or similar), which was installed with the furnace by the same HVAC contractor (since...
  15. HVAC
    Folks: I'm moving to an older home that has a programmable (5day/2day) thermostat, but I dont have a manual for it and its settings are way out of whack. It does not seem to have make/model information on it that I have found. I have attached a picture of it. Does anyone recognize it? At least...
  16. HVAC
    My AC has always worked fine. A couple months ago I replaced a battery powered thermostat with a Honeywell Wifi smart thermostat. The new thermostat needed a "C" wire for power and there was an unused dark blue wire behind the old thermostat so i connected it to the "C" port at the furnace...
  17. HVAC
    White Rodgers type 1F86-344 showing high 80s to 90s on set temp. I pulled batteries and replaced. Now shows 65 actual set temp 88. Looking in furnace decided to check vacuum tube on fan and see it is plugged with what appears to be calcium. Drilled it out gently into fan housing and now it sucks...
  18. HVAC
    I am getting a new thermostat for my Lennox furnace, replacing an old one. My question is: Can I place the hub and HD display units at 2 different locations way apart? (this model comes with a communicating hub and a HD display) Where is the actual temperature sensor built-in to sense the...
  19. Electrical
    Hi all, I just moved into a new apartment, and the baseboard heaters in my living room (5 units) didn't seem to be responding to the thermostat on the wall. Specifically, they are always on, despite the thermostat being at 50 degrees and the room temperature at around 65. I disconnected the...
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