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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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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