How to mend ... Boiler Year Hot

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]

Potterton Prima 50 F main burner will not remain on?

I've got a twelve or thirteen year old Prima F which has run reliably until the last year or so. I fixed the u... [Read more]

Valliant boiler with low water pressure?

I have a Valliant boiler modelVUW GB 242E I always have to open the water inlet valve to keep the pressure up ... [Read more]

baxi solo 250pf gas boiler advice?

I have a baxi solo 250pf gas boiler that was fitted in a 4 bed detached property before we purchased it with 1... [Read more]

My Glow-Worm Ultimate 70FF won't light?

The boiler fails to light, with no spark at the electrode. The pump turns on and off under control of the room... [Read more]

Ferroli optimax 25c boiler not working !?

The boiler (ferroili optimax 25c) in the house which i'm renting has stopped working christmas day i've no hot... [Read more]

Boiler and Hot water not working properly-easy fix?

Hi, My oil-filled heating system isn't working. I have an external Grant combi-boiler, and suddenly, 3 days b... [Read more]

Why is my feroli domicompact boiler not working?

I have a domicomapct condensiing boiler which is just over one year old. The hot water supply is working but w... [Read more]

Potterton puma 100 trips electric?

My 10 year old potterton puma 100 combi boiler will not work, no hot water, no heating (its b????? cold), repl... [Read more]

Saunier duvall boiler f24e - water pressure drops only when too cold?

For most of the year everything is ok with my boiler (saunier duvall thermaclassic 24e), but when its really r... [Read more]

vaillant pro 28 no hot water but central heating is ok?

I have a 7 year old vailiant boiler. The central heating is working fine but there is not hot water coming out... [Read more]

how can i fix my vailliant ecotec plus?

my heating forgets to come back on, will fire up if hot water is cold but then doesn't come back on unless we ... [Read more]

vaillant turbomax 828 heating promlem no hot water?

I have recently moved boiler to loft and ever since the hot water, wont get hot only warm then cold then warm ... [Read more]

how can i fix my 8yr old combi boiler?

my 8 year old combi boiler comes on to heating or hot water for about 20secs then goes out and wont come back ... [Read more]

Glowworm Ultimate 40FF water Pump is constantly running?

Ever since we put the heating back on timed for the up coming colder months (About 7 weekes ago), the external... [Read more]

how do I increase the pressure on worcester bosch highflow 400 combi boiler?

I have a worcester bosch highflow 400 combi boiler, about 14 years old. The hot water cuts in and out when the... [Read more]

worcester heatslave 15/19 combination oil boiler?

hi we have had no heating now for 3wks could anyone tell me whats wrong with my boiler i have hot water but no... [Read more]

Vaillant TurboMax Plus 828e ?

Since I started to use my heating this year I am having problems with my hot water. The combi boiler has worke... [Read more]

How can I fix my Sabre 24 boiler when red light comes on ?

My boiler was installed about 16 months ago and during the first year warranty the gas valve was replaced. In... [Read more]

where do you put a 2 amp fuse into a Ferroli F30 boiler?

The central heating has broken down twice with my 4 year old boiler. The hot water's carried on working. Both ... [Read more]