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    MillerMobile's Avatar
    MillerMobile Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 25, 2015, 05:10 PM
    How increase heat output of a Miller LP Gas Furnace?
    My mobile home furnace Miller M1MB070A is outputting lukewarm heat and I am
    Wondering what would it take to modify or adjust it to increase the heat output?
    Would slowing down the blower speed be one way?
    bitters's Avatar
    bitters Posts: 348, Reputation: 12
    Full Member
    		  
    #2

    Jan 25, 2015, 05:28 PM
    You could try slowing down the blower. But it might start tripping the limit switch. Have you looked at the flames?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #3

    Jan 25, 2015, 05:50 PM
    You will only get the rated BTU X the efficiency rating. Make sure filters are clean and ductwork open. Insulate the main duct. Might be possible to put in larger orifices but that is an HVAC tech job.
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member
    		  
    #4

    Jan 25, 2015, 07:38 PM
    The temperature rise spec on your furnace is 45-75*. Measure the temperaure of the air coming in. Take this measurement at the furnace door where the filter is mounted.Then measure the temperature at the nearest register.

    Measurements must be taken while the furnace is running & has been for 5-10 minutes.

    I would expect about a 50-60* difference. If so, you are within spec.
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