How to mend ... Boiler Will Run

How to stop hot water over run? Source spare parts? Eliminate air ingress?

Boiler is Myson Apollo 15/30. All its components check out to be working OK but the system pumps over when ho... [Read more]

vailiant boiler thermocompact 628?

My boiler will run for qabout 5 min then the fuse T2 =f1 on the circuit board blows. in addition it will only ... [Read more]

Combi boiler pressure/hot water?

I have a combi boiler. The CH is ok but my hot water system for running water does not stay on. It runs ok for... [Read more]

FF 240.Ligths then cuts out?

Having heating probs.The boiler will light and fire up.After about 5 mins, it cuts out.Then lights again after... [Read more]

danesmoor 12/14 lockout on the burner?

over the last 10 months my boiler has gone to lockout. sometimes the boiler might run for 2 months, no problem... [Read more]

Combi drain down now no hot water !?

I have a five year old Biasi boiler. It has been working fine. Today had to swap radiator and drained down sy... [Read more]

water running hot and cold?

dhw tends to run hot then warm on sink taps , but warm and cool on bath taps worchest bosch combi boiler

Vaillant TurboMax Diverter Valve problem?

I'm sick of repairing this TurboMax. First, a history of problems. The diverter valve, then a switch on th... [Read more]

Glow Worm KFB 50 will Kettle noise after being for a long on time?

Over heating bubbling noises when after it has run for a while and room stat turns it off (only now the pump h... [Read more]

how can i fix my(worcester bosch 28 cdi) hot water goes cold?

hi, shower run cold, if i run the hot water tap in the sink or bath i get hot water, when i put the cold tap o... [Read more]

myson orion pump over run stat?

I have a myson orion system boiler ,when the heating has been on and turned off by switch or room stat. The bo... [Read more]

fan wont run?

the boiler wont run and it will not ignite

Potterton Prima B - pump noise during timer off mode?

Our Potterton Prima B is controlled by a Randall 4033 Programmer which must be at least 15 years old. The boil... [Read more]

ferrolli optimax 25c?

ferroli optimax 25c i have no hot water and no ch code f3, now is it, the diverting valve ?how can i check it ... [Read more]

Ravenheat csi85ta no heating hot water ok?

I have a Ravenheat csi 85ta no central heating hot water ok changed diverter valve to no avail in heating mode... [Read more]

myson apollo 40si keeps cutting out, I thought it maybe the air pressure sw?

Myson apollo 40si keeps cutting out. I thought it was the air pressure switch as unable to get it started. The... [Read more]

Noisy Halstead Hero 40?

I have had a noise for approximately a year on my heating system run by a 3 year old Halstead Hero 40. My plu... [Read more]

Ferroli Domina 80E ?

I have changed central heating flow sensor also hot water flow sensor. Also changed the 2 electrical boards al... [Read more]

potterton boiler clicking noises when boiler is off?

hi, we have problem with a potterton boiler which appears to be related to the release of hot water when the b... [Read more]

vokera 20-80 rs pressure gauge drop?

I have a vokera 20-80 RS. Lately the pressure gauge needle drops violently when hot tap or central heating is ... [Read more]