How to mend ... Only Hot Water 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]

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]

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]

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]

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]

no hot water?

my boiler is sevicing the central heating but not giving hot water through

vaillant boiler 824E hot water not working on its own?

Hi there hot water only works when the central heating is turned on from thermostat and the tap light on the b... [Read more]

worcester bosch 240 boiler fault?

central heating works fine but hot water is only luke warm 240 combi boiler

hot water?

my hot water will not heat up unless i put the central heating on making the boiler work, my boiler is a RSF ... [Read more]

hot / cold water?

SIME Format Freindly 80e Hot water runs red hot then luke warm then red hot again just keeps up/down with t... [Read more]