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

Central Heating System?

I fitted a new pump to the central heating pump a few weeks ago. Now the radiators are hot but the water is cold despite being on for several days. Please help!
Zac, December 2006
airlock most / faulty valve.

hi-spec plumbing, December 2006