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    halmar's Avatar
    halmar Posts: 5, Reputation: 1
    New Member
    		  
    #1

    Oct 15, 2009, 01:47 PM
    My weil mclain he II is only showing 10 for pressure.is that stopping heat from my s
    I have a weil mclain he II hydro system... the pressure says 10.. does it need to be higher to make the heat work on my 2nd zone on my second floor... it blowing cold... if so how do you increase the pressure??
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Oct 15, 2009, 02:24 PM
    12 is usually a good set point for a 2 story. You will probably have to bleed the second floor if it has air in the lines. Raise pressure by adjusting the auto fill valve if you have one or add water to bring to 12.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Oct 15, 2009, 02:35 PM
    Keep your posts together
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