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Mend Worcester Bosch 28i Boiler Pressure Relief Valve Leaking

How can i change the prv on my boiler?

I have a bosch worcester 28i combi. the pressure relief valve is leaking. I bought the new part, but how hard is it to get to? and do i need and special tools?

Jayman
March 2009

Worcester Bosch Worcester Bosch 28i Heating, Home Heating Systems Boiler Pressure Relief Valve Leaking

If your prv is leaking take notice of the system pressure when the heating is on, if it reaches 3 bar then your expansion vessel has either failed or it needs re filling with air(0.75bar) its better to change the prv at the same

Darren Willims Worcester approved engineer
March 2009

http://www.worcester-bosch.co.uk/installer/literature/discontinued-boiler-literature/discontinued-gas-boiler-literature/28i-discontinued-november-2005-literature

Download the installation manual, it should have a bit near the end about changing common parts :)

Bunslinger
March 2009

just drain the system so theres no pressure, and using a spanner that fits just undu nuts and replace. after wards refil system. not much to it, just make sure u got the right tools.

Ben
March 2009

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Worcester Bosch 28i PRV Replacement - Guide