baxi 105e

[wmfirefighter]

hi i have a baxi 105 e and its losing pressure i have replaced the expantion vessel and still losing pressure now put leak stopper in still losing pressue what can it be plaease help me ! the filling loop seems to be leaking where the screw is to refill could that be a problem !

 

[seco services]

i have replaced the expantion vessel and still losing pressure

bit drastic and you didn't check it was faulty before changing.

is the prv leaking ?
checked all the rad valves ?

 

[wmfirefighter]

many thanks for that ! the plumer said it was that so guess he did ! however now isolated the CH system from the boiler and the pressure is still dropping so i gater its in the boiler its self will suggest the PRV to the plumer .................we will see ?

 

[NatB]

Why did you replace the expansion vessel?
Has it been pressurised correctly? I assumed my new vessel came preset but it wasn't.