expansion tank

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tkmoore1955
tkmoore1955 Posts: 3
in THE MAIN WALL
I have 3 zone heat and I don't have a bleeders values so how do I get he air out pipes are making noises

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  • M Lane
    M Lane Posts: 123
    edited January 2014
    Purge

    With a hose. Look for a valve on return with boiler drains that you can hook a hose to. Not particularly easy to explain. Nor did every fitter equip systems with purging valves. The idea is to shut the valve so you create a dead-end that you can push the air out with flow.

    Expansion tank problems result in your relief valves lifting.

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