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  1. HVAC
    https://i.imgur.com/qF93LEz.jpg I am replacing my entire hvac system soon. I'm trying to figure out what is going on so that I can request the correct size for my furnace. I currently have a single speed gas furnace. --- Please refer to the image link above for this question. Top right...
  2. HVAC
    Am not a professional hvac person but would like an opinion on If I could add a small gas furnace to my house and use the existing supply ducting by adding a wye connection thereby sending heat to existing registers. I imagine I would have to add a second return air duct sending return air back...
  3. HVAC
    Just want to confirm what I'm "pretty" sure about.... I'm rewiring a gas furnace. Set-up is... 1.) Breaker Panel to First Floor E-ShutOff 2.) E-ShutOff to Basement E-ShutOff at Burner. What is throwing me off is that in between "1" and "2" above is a "Firomatic TS-150 thermal switch. This...
  4. HVAC
    Hi, I am new to this forum. I'm wondering if anyone has any ideas about fixing my natural gas furnace. I am pretty handy with DIY projects, including electrical issues, so I am attempting to fix it myself. Here's what I see: 1) The low voltage system is supposed to run at 24V AC. It actually...
  5. HVAC
    I have a Rheem model RGPK-07EAMER with the control board 62-24320-02. By the control board part number, I know it is definitely an older unit because of the time the board was made obsolete by a newer version, 02-102635-81. I have checked and have AC power running to the board (i.e. breaker...
  6. HVAC
    Hi, I am renting a house that has a 3 year (ish) old Lennox SL280UHV gas furnace that sometimes works and sometimes doesn't. I am the third renter so I have no idea if any maintenance has been done on it (and I highly doubt it has). My landlord/property manager creeps me out and I'm a single...
  7. HVAC
    The inducer motor on a 13 year old GMNT80 furnace cuts out intermittently after about 10 min of run time. It only falls out for a second, which in turn cuts out the gas valve. then the ignition process starts over, has no problem lighting again, and about 5 minutes later, motor stops again...
  8. HVAC
    Carrier Crusader Model# 58SSC075-GC Series 100 I hardly ever replaced my air filter, which is what caused this problem I think. I have a new air filter in place now. When I turn my thermostat on, I get a call for heat, the little inducer fan starts going and then my control board gives me an...
  9. HVAC
    I have a Payne PG8UAA036065 gas furnace. For the past three years I have had issues with my furnace getting a code 21, which is: GAS HEATING LOCKOUT - Control will NOT auto reset. Check for: - Mis-wired gas valve or Defective control(valve Relay) The issue is intermittent, It may run for one...
  10. HVAC
    Our furnace has been making some terrifyingly loud booms in the winter. They are loud enough that it can be heard from any room in the house. We are renting and have had a "furnace guy" (landlords term) look at it a few times already. He says that it is a delayed ignition, BUT I am a bit...
  11. HVAC
    Hello Everyone! I am currently looking to buy a home on a tight budget. Said house has been unoccupied for about 6 years, meaning no heat, water, etc... anyway, I am trying to do basic remodeling on a budget, to make it liveable. Onto the HVAC... Now, the furnace was installed in 1996, and...
  12. HVAC
    Hi, my furnace is filling up with water and locking itself out. It is draining out to the floor drain but I have to take the ("collection reservoir" It has 3 hoses going in the top and one out the bottom) Off and manually empty it when it locks itself out. Lately I've just been taking the...
  13. HVAC
    My furnace isn't coming on. The green LED on the control board is flashing one time. Any suggestions on what the problem may be? Does anyone have the diagnostics info for the control board?
  14. General DIY Discussions
    We have a TRANE dual heating system consisting of a XL16i heat pump and a HE gas furnace (XV95). It has performed very well with excellent efficiency. It is set to switch from heat pump to gas furnace when the outside temp falls below a set value. With gas prices falling and those for...
  15. HVAC
    I have a Tappan Furnace/ Air Conditioning unit that is giving me trouble. Before I call in a specialist I wondered if it was something I could handle on my own. The furnace engages, the glow plug heats and then ther 3rd and 4th burners come on. The flames go out immediately, the furnace...
  16. HVAC
    Furnaces can sometimes give you head aches, especially if it's cold outside and you need it more than ever. To make sure you don't need furnace repair services on a winter day, save yourself some time and money and learn how to repair your furnace and keep it in a good condition. First of all...
  17. HVAC
    I have a Heil (ICP) gas furnace/AC installed 5 years ago. The unit is blowing the 5V fuse when it gets a call for heat. The AC side works fine. The air circulation system works fine. When the unit calls for heat, the vent motor spins up, then down 4 or 5 times then the 5V fuse on the control...
  18. HVAC
    My heater hasn't come on after turning it on for the first time this year. I get a constantly flashing LED - normal call for heat - and the ignitor comes on, but the burner won't light. The gas valve is on, and despite the burners not coming on, the unit runs then constantly and the LED blinks...
  19. HVAC
    I live in the North East and have a single story 825 sq ft home and will be installing new gas furnace/AC. The basement is partially finished. I have ceiling registers with my current AC unit which is more than 12 yrs old. I would like to install a 90 + AFUE system with AC coil in the...
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