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  1. #1
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    Furnace Maintenance

    In your guys' opinions what is the most important part of furnace cleaning and maintenance you need to make sure is done right when servicing your customers heating equipment?

    Just wanted to pick other tech's brains alittle
    ---------------
    Steve
    Faith Heating & Cooling Chicago

  2. #2
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    safety is the most important for the customer. reliability is most important for the tech, you don't want a blower motor failing 3 days later because you didn't check amps.
    you should ask for this thread to be moved into general or tech to tech.

  3. #3
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    For me, its 2 things... Pull blower power lead and make sure your limit works, and check for flame change when blower is powered on. If its a hot water system, check limit, and the ALL IMPORTANT thing to test on steam system is the low water cut off. If that fails and doesn't kill the burners, the boiler can crack. If that happens after you were just there, best case, your customer loses confidence in you.

    Sent from my XT1080 using Tapatalk

  4. #4
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    Two things....

    FIRST: Run a combustion test... to verify the burner is SAFE and CO levels are within limits.
    SECOND: Verify all safeties are working as they should.

    BOTH are necessary... do not miss either on any furnace.
    GA-HVAC-Tech

    Your comfort, Your way, Everyday!

    GA's basic rules of home heating and AC upgrades:
    *Installation is more important than the brand of equipment
    *The duct system keeps the house comfortable; the equipment only heats and cools (and dehumidifies)
    *Cheap is not good, good is not cheap; however expensive is not a guarantee of quality!
    Choose your contractor wisely!

  5. #5
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    The first and foremost would the the safeties which would be the high limit in furnaces. For a steam boiler it would be the low water cutoff...for a hot water boiler it would be the temp pressure relief valve. I know it isnt fun to open one and they don't reseat...but there is a reason and it's time to replace it !!

  6. #6
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    Quote Originally Posted by Travis meece View Post
    The first and foremost would the the safeties which would be the high limit in furnaces. For a steam boiler it would be the low water cutoff...for a hot water boiler it would be the temp pressure relief valve. I know it isnt fun to open one and they don't reseat...but there is a reason and it's time to replace it !!
    Boy oh boy.
    How do you test the
    relief? Simply opening it doesn't prove much, in my opinion...

    I leave them alone as much as possible. Hard to imagine one stocking shut to the point of causing an explosion....

    Just the other day I let off some pressure on a 3 month old t & p valve, and it didn't reseat. Not dirty water, either. So annoying.

  7. #7
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    Safety is very important.

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