Andrew - C asked ... Stannah 400?    |    Liam asked ... Belts for old WEBB Mower?    |    Leith asked ... Bosch Classix Type WKM41 front loader washing machine?    |    Pam asked ... Do I need to open the housing to dry the motor?    |    James asked ... Remove enterprise enrolment from an Asus Chromebook C523N?    |    Click here to ask your question

pressure?

my valiant combiboiler seemed to lose some pressure over a peroid of a month or so. when i top it to between 1.5 to 2.o bar, it will go down to about 1.o which i then top it up. I have search the system i cannot find any visible leak.
David CHU, May 2007
is your prv leaking, the copper overflow pipe that gos out through the wall to outside.

hi-spec plumbing, May 2007