How to mend ... Boiler Switching Water

Worcester Bosch 24CDi, switches off during HWD?

I have a 24CDi boiler, which lately has been switching off when hot water is demanded. It switches off and bac... [Read more]

Vaillant Thermocompact 628e Delay Mode Fault 5.53?

HELP!! My family and I have had 3 nights of freezing cold as our Vaillant keeps igniting then switching off... [Read more]

Is my frost stat faulty?

My frost stat (located in the garage) is kicking in and firing up my boiler even when the control is OFF. Tha... [Read more]

Potterton boiler on and radiators hot despite thermosat and timer off?

Our Potterton Suprima wall mounted fan assisted balanced flue gas boiler is remaining on and the radiators ar... [Read more]

boiler locks when hot water turned off?

when i use the hot water it works ok but after switching off there is loud noise and the boiler seems to overh... [Read more]

FERROLI OPTIMAX 25C OVERHEATING?

When I turn on the hot tap the boiler fires up then a few seconds later it overheats and I get F3 fault code, ... [Read more]

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]

how can i fix my 16/22 potterton ?

16/22 boiler does not work properly after half an hour of switching on, comes on okay heats up the radiators b... [Read more]

Glowworm Spacesaver KFB 60 overheating/cuts out?

If I have the hot water on the boiler for 20-30 mins the boiler is fine, I can also start the central heating ... [Read more]

potterton boiler comes on makes a banging noise and switches off?

we have opened the silver screw on the pump and rotated the motor with a screwdriver and the pump seeems to be... [Read more]

boiler not working properly?

we have a ravenheat combi rsf 100et. the problem is the heating fires up then goes off you have to keep switch... [Read more]

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]

How do I fix my hot water tank?

I have a free standing boiler and when I switch on the heating for water or central heating it boils excessive... [Read more]

after switching the hot water taps off the boiler continues to click ?

the boiler continues to click when hot water tap has been turned off

pressure dropping very quickly?

my vaillant boilers pressure is dropping almost everyday. I've to fill with the water. if the pressure is on ... [Read more]

Ravenheat CSI 85AT Boiler. Central Heating not working?

After switching the setting on my Ravenheat CSI 85AT Boiler to Central Heating and Hot Water (its been set to ... [Read more]

Cylinder Thermostat not switching off?

I have recently had my system drained to fit a new bathroom. Since then the hot water has been too hot. I trie... [Read more]

Vaillant VCW GB 221 H CH problems?

Hi When switching on the CH, the boiler makes the usual noise but then does not fire up the burners for CH ... [Read more]

How can I fix my Vaillant boiler Turbo max plus 824E?

After switching off boiler ( to remove radiator) and re - filling via the filling loop, the hot water is inter... [Read more]

how to fix potterton performa 24?

boiler continues to burn,bypassing all instruction to do otherwise.ive tried resetting but again the boiler ju... [Read more]