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  1. HVAC
    Furnace 2003:. C9MPD050F12B1 Stopped working, no codes,but gas valve was solid green light (not heartbeat), and nothing was happening (call for heat click but nothing else). Tech came out and stated gas valve and circuit board need replacing. Had both those done. After replacing, call for heat...
  2. HVAC
    I just moved into a house with a Coleman electric heat pump and an electronic air cleaner. It's fairly old, almost 20 years, but the house has sat mostly unoccupied for almost 15 years. Had an HVAC contractor check it out and he said it is in good operating condition... I have questions and...
  3. HVAC
    Anyone with a Honeywell ST9120U board who can tell me what the component value is for the components RV1 and U1 is on the board by the 5 Amp fuse. I just need the numbers off of it so I can get replacements. I connected something up incorrectly and blew them both off of the board.
  4. 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...
  5. HVAC
    Can the ClimateMaster Tranquility 30 Digital (TE) Series IOM (Model: TEV026BGD02CRTS) properly communicate with a Honeywell Steam Humidifier (HM750A1000) to only allow the humidifier to run when the fan is cycled and the heat is on? I currently have the wires running from the Air Proving on the...
  6. HVAC
    I am trying to run a circulation fan based on high indoor air temperature. I bought the Honeywell Visionpro 8000 because it was the least expensive model to accommodate remote sensing; i've located a remote temperature sensor high up in a cathedral ceiling. I am trying to use cooling mode to...
  7. 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...
  8. 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...
  9. 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:
  10. 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...
  11. HVAC
    I have our heat pump installed in 2018 with gas furnace backup heat. The thermostat status is now wait. After five minutes it will be back on and then went back to wait status after a few minutes. What would cause this behavior? If there is already a thread for this issue, please share. Thanks.
  12. HVAC
    Hi, all. My daughter is having a weird malfunction with her AC that is causing me quite a bit of confusion (though admittedly, I'm no expert). --She moved into a new house some months ago and came through the winter months with no heating problems. --Since she started using her AC recently...
  13. HVAC
    Looking for wiring instructions to replace my old thermostat with this one. Old thermostat is a Trane model number ACONT401AN21MAA. The outside unit is Model TWX730A100A0, Inside unit model is BAYHTR141000. Both Trane models, Its all electric equipment (meaning no gas to house). This is a heat...
  14. HVAC
    :confused1: I am puzzled by my thermostat. It is a Honeywell FocusPRO TH6000 wi-fi. When it is set to primary heat (heat pump), it set the temperature just fine. When i set it to Emergency to use the oil furnace, it does not stop at the set temperature. It just keeps heating until I turn it back...
  15. HVAC
    I recently received a used furnace form a neighbor that was converted to propane. I have it connected to propane and the pilot light starts up ok. When power 24vac is supplied to the Honeywell VR8200H 1236 gas valve, I can hear and feel a nice solid click, but there is no gas flow to the burner...
  16. HVAC
    Hello all! I currently have a Braeburn 1200NC hooked up, and I would like to replace it with a Honeywell Lyric (TH8732WF) that I already have. Replacing the unit seemed easy enough, however it seems that I may have an unusual wiring configuration. (Picture attached!) All of the wires appear...
  17. Plumbing
    We have a 3-year old house, and the tub in the master bath has never been as warm as every other fixture in the master or other bathrooms (100F vs. 120F). Now that we have some brief slices of free time as the kids get older, I wanted to fix this. After doing some research, I looked for a...
  18. HVAC
    yes i just purchased a new Honeywell WiFi thermostat (RTH9580WF1005) and i wanted to install it in my new apartment. The current Thermostat is pro1 T855. however i am having a problem with the W1 / W2 Wires, as the system has a heat pump with a W1, W2 and O Wire and the only connection on the...
  19. HVAC
    I've been struggling trying to figure out the wiring of a new thermostat. Oil, forced hot air and AC. The existing system has 6 wires. It is running off of a EWC-ST-2E control system. - Pic of manual attached. Wiring of existing system in the attached files. I tried to install a new...
  20. HVAC
    Honeywell claims in all its literature that you can control a redlink system via PC, Android or Apple IOS . Well I can find the apps for android and apple smartphones, but can find nothing that would allow me to control the system via Windows PC or Macintosh. So, is Honeywell lying or is...
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