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  1. HVAC
    I have an issue that is stumping me. Goodman/Janitrol HVAC Model: GMP075-3 Basement unit: Serial: 9412030151 Control Board: ICM-280 I have a pair of Goodman GMP-075 furnaces (one in the attic, the other in the basement). The basement unit was exhibiting a failing flame sensor (furnace lights...
  2. HVAC
    Hey everyone, We just condemned a heat exchanger and a inducer assembly on a Carrier rooftop unit M# 48TME008-A-501. The inducer is going to be standard but the heat exchanger looks to be a bit more difficult to get to. Anyone have any experience with these or know about how much time will be...
  3. HVAC
    Greetings fellow DIYers, I'd like to replace all four heat exchanger cells (Carrier part number 79988-50) on a 100,000-BTU/hour Bryant 394GAD048100 gas furnace. I like the modularity of individually replaceable cells, but it seems everyone is asking per cell what a complete heat excahnger...
  4. HVAC
    Question: How can I wire my fan ON/OFF to be controlled by the thermostat heat call instead of using an aquastat or fan-limit switch? Background info: I have a hydro-air system with an aquastat controlling the fan for heating, thermostat controlling the fan for cooling. Problem has been that...
  5. HVAC
    Hello, I have an Aquatherm furnace that is fed hot water directly from my water heater. There are no gas burning components in the furnace itself. Today, I noticed water pooling at the bottom of the furnace and decided to open it up to inspect. Upon opening the front cover, I found that the...
  6. HVAC
    Kindly look at the video: http://www.youtube.com/watch?v=WDYaufhyobQ I am trying to figure out if the heat exchanger is cracked or the burners are just dirty. The flames (though blue) dance around from the start, the blower motor comes on at ~ 39sec and appears to disturb the flames a bit...
  7. Plumbing
    So here's the situation: We recently purchased a small condo in a high rise building in downtown San Diego. The building is about 5 yrs. old. To the best of my knowledge, we don't have a separate water heater--but we do have a heat exchanger for our air conditioning/heating in the unit--and I'm...
  8. HVAC
    I have just been told I have a bad heat exchanger in my GMP125-4 (Janitrol, but now Goodman). I was told $400 to $600 for exchanger, and $1,100 labor. I asked how long it takes and he said 5 or 6 hours. They must think a lot of themselves, demanding over $180 for the work. I found the part...
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