How to mend ... Only Hot Water Central Heating

hi i have a optimax 25 c condensing combination boiler ?

the hot water does not get very hot and i have to turn the water pressure down to warm it up as much as possib... [Read more]

Burner light not on?

My hot water and central heating is not working on ideal response 120. The burner light is not on and when tur... [Read more]

Glowworm 38 CXI combi boiler no hot water?

I have a Glowworm 38 CXI combi boiler. all was working fine. however we now have central heating but no hot wa... [Read more]

worcester boiler - hot water works but no central heating ?

my rf sender and reciever seem to be workin fine because when i set the temperature the piolot light comes on ... [Read more]

My Radiators won't work, please help?

Last night I switch my heating system from Timed to constant and Hot Water only to Hot Water and Central Heati... [Read more]

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]

is my chaffeteaux celtic combi boiler past it?

my boiler has given 20 years of pretty good service but recently central heating is working OK but hot water c... [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]

Worcester 350 combi CH not working?

My Worcester 350 combi has stopped working properly as when the thermo stat switches on nothing happens at the... [Read more]

How to fix my Potterton PrimaF intermittent problem?!?

I have a Potterton Prima F. For the past 3-4 weeks when the boiler has been timed to come on, it fires up nor... [Read more]

Why does the water run cold?

I have a Camray Model 90-130 Combi, oil-fired central heating boiler. The central heating works fine, but when... [Read more]

Hot water doesn't kick in?

Hi. My Vokera boiler doesnt supply any hot water. The central heating is fine but when I turn on the hot water... [Read more]

replace Ariston eurocombi A23 diverter valve?

Is this really neccessary,full replacement rather than just replace the diaphragm? im being quoted for parts a... [Read more]

No central heating or hot water?

Oil fired Boulter boiler. Starts up from cold and runs for approximately 5- 10 minutes then stops. Fitted new ... [Read more]

problem with mid position valve? ?

I hope someone can clarify if I have diagnosed the fault that I think Ive got. A few days ago the central h... [Read more]

Worcester 350 Combi 1994 Model?

Hot water starts up O.K then gas goes out for 10/15Secs then lights up again,it will keep doing it on and off ... [Read more]

vokera 80 excell?

my boiler is running hot-colder-hot water. When I just start to run it boiler goes on(fire inside it) run for ... [Read more]

Glow worm Space saver 45-60B Starts up OK then stops?

Pilot starts up ok and ignites boiler OK works for 30-40 seconds only then switches off with no pilot. Also re... [Read more]

baxi 105e fan or flue failure light flashes?

after central heating been on for a while and we use hot water the fan light flashes and nothing works till we... [Read more]

My Puma 100e CH wont work?

my central heating was working a wee while ago but now it wont work at all. I can get hot water to work at al... [Read more]