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  1. 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...
  2. HVAC
    I have a Coleman DGAT gas furnace that the blower will turn on at various times in between heating/cooling cycles. Runs for a couple of minutes and shuts off. I have had this happen with the thermostat disconnected from the furnace. I replaced the pcb and bypassed the limit switches and it still...
  3. HVAC
    I have a 30-year-old Coleman gas furnace heater located in my attic. Lately it had been shutting off too soon, before it had reached the temperature I set on the thermostat. It also seemed to take extra long for the blower to come on after I turn the heat up… Sometimes five minutes or so. When I...
  4. HVAC
    I live in Central NJ & have a 2 BR Town House (40 yr old) that had a solid Carrier Condenser (R22) unit that lived it's life more than it should have & went out on me last week..... The Heat Pump is not as old (I think it is close to 10 yr old unit) & us working fine. I have gotten 5-6...
  5. HVAC
    Hello, I live in a mobile home and have a Coleman Presidential II gas furnace/air conditioner. Recently, I've been having issues with the reversing relay (part #7670-308). I looked online for a direct replacement and now that I've installed the replacement relay (part #7670-3071), the unit will...
  6. HVAC
    Stepdad got home from hospital, and Coleman 7663A mobile home furnace has a lit pilot, but does not come on. 1st repairman said knob was not in full indent position, so pilot would stay lit, but not turn the burners on - 2nd said need a new furnace because of possible invisible hairline...
  7. HVAC
    I have a Coleman Echelon 8.C model CP8C100C16MP11 and it is only putting out cold air. I checked the LEDs on the ckt bord; it shows the following: Green, steady flashing indicating normal operation. Yellow, flashing twice indicating a demand for heat. I checked the igniter and it is cold. Is...
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