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Do I need a new pressure relief valve?

when central heating is turned on, the pressure rekief valve is releasing water. do i need a new pressure relief valve. bolier is worcester 28i
phil, January 2012
Someones pulling your leg!

pmsl, January 2012
yes,you do not repairable,drain system ,vent all rads,,fit new one ,close all air vent to rads ,fill up system,take air out,one by one to 1.2 bar

ltd, January 2012
link Click here to see other fixes for Worcester.