expansion vessel pressure
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abwilko
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Joined: Fri Mar 23, 2007 4:21 pm

expansion vessel pressure

Post by abwilko » Fri Mar 23, 2007 4:36 pm

had to replace the shrader valve on the Zilmet z160 expansion vessel and wish to know if I need to pressurise the unit and any other info re this probem, as water hammer is still a problem.

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