How to mend ... Boiler Keeps Over Heating

Biasi boiler M90f.28s, thatwon't fire up!?

my combi boiler will give me dhw okish but the water temp knob and therefore the volume of gas to the jets r... [Read more]

Vaillant ECOTEC COMBI headache?

Ive had fitted a brand ne Vaillant Ecotec combi, hot water works fine heating doesnt, it cycles on and off for... [Read more]

Can anyone diagnose the problem with my Ferroli Optima 901?

I have a Ferroli Optima 901. When the hot water is run for a period of 3-4 minutes the boiler cuts out and the... [Read more]

I have a SIME format C boiler, which won't ignite?

I have a SIME format 100 C boiler. It seems unable to fire up. When the hot water is turned on, there is a cli... [Read more]

faulty sime 80c boiler?

i can only get hot tap water when my central heating is on, if it is off my boiler doesnt fire up for the tap ... [Read more]

Vokera Maxin24?

The boiler runs ok when on heating. If anyone uses the shower, the water runs cold and boiler goes to lock out... [Read more]

vokera options boiler fault ,please help?

my vokera options boiler cuts out after 10-15 seconds ,the flow pipe at the boiler gets very warm but rads not... [Read more]

What is the cause of cold radiators in my top bedrooms?

My central heating works fine and I had a very good make, fully certified combi boiler installed only last yea... [Read more]

combie boiler pressure keeps going down?

my vokera excell boilers pressure drops to 0 when i have had the central heating on i then have to keep topp... [Read more]

Low Pressure Problems on Worcester 28i Combi Boiler?

I have recently moved into a new property but the Worcester 28i Combi boiler seems to have problems with press... [Read more]

how do I repressurise a potterton netaheat boiler?

...I need to add a couple of radiators to the heating system, but the netaheat does'nt have a filling loop....... [Read more]

LYNX 2 LOUD SQEAL LIKE THE PUMP BUT COMING FROM INSIDE WERE BURNER?

WHEN BOILER FIRES UP ON HOT WATER OR CENTRAL HEATING LOUD NOISE LIKE THE PUMP IS COMING TO A HAULT THEN FLAME ... [Read more]

Worcester 24i Domestic Hot Water Problem?

Builders have added a radiator and resited another and a couple of days after the work was carried out the Boi... [Read more]

Central heating does not reach all radiators?

Profile potterton boiler 60e.We have 8 radiators +1 towel rail fitted in our house.The problem is when heating... [Read more]

My sime 100c combi's heating works but there is no hot water?

I have a Sime 100c format combi boiler, it is 18 months old and the hot water doesnt work. The heating does an... [Read more]

glowworm INSET BBU 50 back boiler?

I have a glowworm INSET BBU 50 back boiler. We have hot water but no heating, I've checked the pump that seems... [Read more]

Central Heating Control?

Every ten days or so the central heating system ignores the programming set into the clpock programme. It rem... [Read more]

SIME FRIENDLY FORMAT 80E WONT FIRE UP???? PLEASE HELP!!!!?

the boiler is set to turn on via the timer which it normally does without any problems in the morning.during t... [Read more]

Baxi Bermuda 572 boiler with fire front. Cuts out after a few seconds?

Boiler with fire front installed 1974. Worked perfactly so far, now every thing, including the pilot light, cu... [Read more]

My Glowworm 50FF Boiler Won't turn off?

I'm having a problem where my glowworm 50FF boiler won't turn off. Have just had a new pcb fitted due to water... [Read more]