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by abwilko
Fri Mar 23, 2007 4:36 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: expansion vessel pressure
Replies: 0
Views: 5051

expansion vessel pressure

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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