How to mend ... Boiler Combi Working Hot

Temperature on Mira Excel B running hot and then cold?

Mira Excel B shower working off Combi Boiler, water pressure is good, but temp keeps going up and down. Have f... [Read more]

Main combi 24HE FLAME ERROR NO HEATING OR HOT WATER, PRESSURE IS AT 0, HELP?

hi can someone please help, our boiler isn't working, there is a flame error and the pressure gauge is at 0, w... [Read more]

sime 80 combi boiler cutting out?

my boiler fires up for about fifteen seconds then goes off for five mins so the rads get warm but never get ho... [Read more]

diverter head-combi boiler?

i have been told that my diverter valve isnt working and have been advised by one plumber to get the the whole... [Read more]

how can i fix my combi boiler?

my boiler is working fine apart from it keeps running till it has exceeded the set temperature.it then kicks i... [Read more]

Combi Boiler Sime90?

Heating working but the hot water running hot cold hot cold. Engineer so far has replaced Thermistor, Plate he... [Read more]

How can I fix my combi boiler?

When you turn on the hot water, the radiators heat up at the same time so when you have a shower the water goe... [Read more]

ravenheat combi?

the boiler has been working fine, untill yesterday i was walking passed seen that the pressure was a little lo... [Read more]

overheating trianco combi oil boiler?

boiler limit stat trips when on the hot water heating side. Overrun stat and tank stat are both new also flows... [Read more]

Baxi duo-tec 24 heating not working?

Hi can anyone help me? I have got a new (6 months old) Baxi Duo-Tec 24 combi boiler (just bought house so I do... [Read more]

Vaillant VCWGB242EH GC 4704413 Combi goes out immedi?

Hi, am working on the above boiler, was leaking at the auto air vent so tested the expansion vessel to find it... [Read more]

Upstairs Hot - Downstairs Cold ???

Can any body help ? my upstairs rads are hot while the ones downstairs are cold, I've tried bleeding them with... [Read more]

How can I sort out pressure on my Worcester combi boiler?

The pressure gauge on my Worcester Bosch Combi boiler suddenly shot up to maximum and water was running from t... [Read more]

My Worcester 24i Combi was working perfecly until I ran hot water tap?

Last night my Worcester 24i Combi was working O.K. until I turned on a hot water domestic tap. However, after ... [Read more]

Combi boiler can't restart after turning off for hols?

Worcester Si24-28 Combi boiler. Turned off at fascia panel for hols, turned back on and now no hot water or h... [Read more]

how can I fix it Chaffoteatux Brtiany combi 80?

the boiler has just been serviced working well. howver the same fault has occurred. the boiler runs switched ... [Read more]

no hot water or central heating - Help Please?

The combi boiler will not start up - we get a flashing red light - where the green light normally is when work... [Read more]

Vaillant VCW GB 242 E :- Failure to iginite when central heating demanded?

My Vaillant VCW GB 242 E Combi Compact Wall Mounted Boiler is failing to ignite when the central heating is sw... [Read more]

no hot wter from valliant combi boiler?

Hi. there is no hot water coming from my valliant combi boiler(turbo max). Central heating is working fine and... [Read more]

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]