How to mend ... Help Central Heating

when heating system put on pressure rises when only hot water on system is ?

what causes pressure to rise when central heating system switched on

Potterton Netaheat hot water problem?

My Potterton Netaheat has started to heat my hot water whilst the central heating is switched on. In the past... [Read more]

Gas Fired Central Heating/Radiators?

I am getting sooty desosits above radiators. These deposits cover all windows and picures etc. It has also c... [Read more]

greenstar 28i junior stops working?

Yesterday my boiler stop working fully , when the central heating is on the boiler will fire up but then shuts... [Read more]

central heating failure?

CSI 120 T LOW NOX central heating fails to relight after boiler reaches water temperature. shows fault 14

should my central heating pump run all the time ?

I have a Baxi combi boiler which is 8yrs old. I put my heating on constant at a low temperature. I don't hav... [Read more]

hot water switch and heating switch is faulty?

i have a combi boiler. if i just put the hot water on the hole central heating comes on. any ideas on how or w... [Read more]

240 combi RSF - No hot water but CH works. Can I mend it ?

Hello, I have a 240 Combi RSF and very recently the hot water stopped being hot. When I run the hot water tab... [Read more]

central heating?

my boiler fires up for about ten seconds then goes out, how do i keep it fired up

worcester greenstar 24i junior boiler stopped working?

Help I have a worcester 24i junior boiler 4 years old which the pressure keeps dropping had a leak a few weeks... [Read more]

Baxi Megaflo HE26, central heating but no hot water?

I have a Baxi Megaflo system, burst pipe during the week meant the system drained. Water is back on and pressu... [Read more]

ferroli optimax 38c boiler?

I have a ferrroli optimax 38c central heating boiler just a few weeks old.In fitting new washers to my taps i ... [Read more]

hot water but no central heating on heatslave 18/25?

we had a pressure problem now we have ridiculously hot water but no radiator heat

Air lock in hot water system?

central heating works ok, but no flow through hot water cylinder

how can i fix my water presure?

i just had central heating put in and now my hot water tap in my bath is runing very slow and only stays hot f... [Read more]

Pressure fault on Worcester 28Si II?

Hi. I'm repairing my boiler after it froze. I have the central heating working now (pump and flow sensor damag... [Read more]

stanley range?

my central heating is working, radiators are hot but water from hot taps run cold

No hot water?

i have a vokera syntesi 29e and have no hot water but have central heating. Plumber been out and he advised t... [Read more]

i have no hot water but central heating?

i have a worcester 240 boiler and have central heating but no hot water, how do i fix this? any advice would b... [Read more]

How can i fix my boiler?

I have a potterton perfoma 24 boiler, 5 hours days ago the hot water and the central heating stopped workin... [Read more]