Britony combi 80 pressure relief valve

11 Jan 2012
Reaction score
United Kingdom
Hello folks

I have a weeping pressure relief valve on a Britony combi 80, due to a blocked dhw exchanger
which has now been replaced & aswell as a system flush.
I bought a new pressure relief valve but it has no washer with it unlike the existing one. Can anyone tell me if there should be a washer wth it do i have to buy one separately?

Any help very much appreciated

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