How to mend ... Heat Tap Turned

Worcester Bosch 35CDi II - hot water fault?

After coming back from holiday we found that our boiler will only heat the hot water when the tap is turned fu... [Read more]

Worcester 28 cdi switches on when cold tap turned on?

When I turn on a cold tap or flush the toilet the boiler switches on.It doesn't heat the water but surely this... [Read more]

Protherm 80e - Heating cuts out before radiators warm?

Hi Hope somebody can help I have a Protherm 80e combi boiler. In the last two day's the central heatin... [Read more]

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

how can i fix my glow worm 30 cxi?

Hi, I have a glow worm 30cxi boiler and have a problem that hopefully someone can help with. The problem... [Read more]

how can I fix it?

heat flame comes on without water tap being turned on, and pressure valve goes to danger level with some horri... [Read more]

Jaguar Boiler - F0 flashing after I bled the radiator. Loss of pressure!?

Hello all. My wife is currently not speaking to me, so I hope you can help. I have read through the answer... [Read more]

how can i fix my vokera linea 28?

we have a vokera linea 28.the central heating works perfect but we have no hot water just luke warm.when we tu... [Read more]

Sime Super 90 - heating comes on when hot water truned on?

My Sime super 90 has these problems: * always heats the central heating when the hot tap is turned on *... [Read more]

Heating but no hot water?

I have a glowworm 30 Ci combi boiler which has been great since it was installed. but yesterday the hot wate... [Read more]

Worcester 350 Combi Plate heat Exchanger - Is engineers diagnosis correct ?

We have a Worcester 350 Combi and recently when we have been running the hot water the system has been overhea... [Read more]

potterton combi 100 overheat kees trip when turn tap off.burner on/off ok?

diverta & o/heat been changed still trip o/heat once hot tap turned off.could it be anything else apart from b... [Read more]

ferroli mondena boiler?

when the domestic hot water tap is turned on, the water runs hot for a few seconds then runs cold, but when th... [Read more]

Hot water from potterton puma 80e just warm?

i have a potterton puma 80e 10yrs old. Heating appears fine but tends to fire up run for a minute or two and s... [Read more]

How do you test a circulation pump on a Raven Heat Combi boiler?

Ive got a Ravenheat Combi Boiler (one without a pilot light window). A fw weeks ago it just stopped working. W... [Read more]

Vaillant Turbomax plus combi - CH runs when hot tap turned on?

I have a Vaillant Turbomax plus combi boiler - either the 824E or 828E, I cannot currently see which. I hav... [Read more]

Baxi 105e c/htg cuts out of its own accord?

No problem on hot water. C/htg does not cut in if temp lights display a high temp. To get the boiler running... [Read more]

vokera 80sp - when hot tap is turned on radiators heat up instead?

i have a vokera 80sp combi boiler , when i turn the hot tap on the radiators heat up instead of the hot water.... [Read more]

how can i fix my vokera sysyem?

my vokera excell80 sp boiler isnt working. when checked, the pilotlight is on but i have no hot water and no h... [Read more]

Ravenheat hot water problem?

Hi I have a ravenheat rsf 20/20 combi boiler, and we can only seem to get hot water out of it when the heating... [Read more]