prv

[nazarineo]

hi all , ive got a prv passing ,so i think ok i,ll just change it ,however when you turn the hot tap on the rate of water from the blow off increases and becomes warm , any ideas ? thx

 

[misterdubya]

hi all , ive got a prv passing

Good for you. No idea why it is 'passing' then?

so i think ok i,ll just change it

Well go on then.

however when you turn the hot tap on the rate of water from the blow off increases and becomes warm , any ideas ? thx

Loads of idea's. Whats 'thx', make or model of boiler?

Mr. W.

 

[nazarineo]

hi its a glowworm swiftflow 80 so its a few years old now , not sure why it began passing as it seems to run ok

 

[twgas]

does it pass when the heating is on?
What readings do you get on the pressure gauge, when the system is a)cold, b) HW hot, c) CH hot?