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    steveinpa's Avatar
    steveinpa Posts: 9, Reputation: 3
    New Member
    		  
    #1

    Oct 14, 2006, 09:30 PM
    Expansion Tank/Air Bleed/Auto H2O on Return
    I have a gas boiler that circulates hot water to baseboard fin heat (not radiators). It is 2 zone, and does not have the gardeen hose/check valve fittings for easy purging of air. I want to add these, and at the same time correct what I think was a reversing of the outflow/return pipes. On the current outflow, from the circulating pump, there is an expansion tank with spirovent microbubble reprocessor and automatic water feed. If I try to correct the prior mistake, the expansion tank/spirovent/water feed will be on the return side, close to the boiler. Any risk or inefficiency having the expansion tank/spirovent microbubble reprocessor/auto water feed on the return side - very close the boiler? Thanks.
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #2

    Oct 14, 2006, 10:20 PM
    For pump logevity the pump should have an arrow pointing to the boiler and on the return side. Location of auto fill device shouldn't matter.

    P.S. A base board radiator or standing radiator, they are all radiators. They radiate heat.
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