How to mend ... Boiler Not Heating Water

hi i have a ravenheat boiler rsf 84et not firing up?

when i turn on the hot water or the central heating,the fan starts up and the pilot egnition fires and lights ... [Read more]

radiators on ,turn bath on no hot water?

we have a vaillant turbo boiler when we have the heating on and try to run a bath the bath water runs cold,the... [Read more]

how can i fix repeated low pressure of my puma 80 boiler?

I noticed a few weeks ago when i woke up that the boiler was shining 'low system pressure' so i topped it up a... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

My BAXI 105 HE BOILER LOOSES PRESSURE & FAILS? WHY?

Hello & Help, I write in desperation following a nightmare weekend! I have a central heating system co... [Read more]

How do I increase the water pressure in the Central Heating Circuit?

We have a Britony Combi SE Combination boiler from Chaffoteux and Maury. 2 lights are flashing, which means lo... [Read more]

how can i fix my boiler?

i have biasi combi boiler the heating is working but the hot water is not - what can i do ?

ravenheat 820/20 combi boiler ?

When I run the hot water tap, the water is cold, the pilot light doesn't start up, but when I put the central ... [Read more]

hot water problem?

I have a ravenheat CSI 85AT boiler the heating works fine but last week the hot water was only running for a s... [Read more]

How do I correct my Vaillant Boiler?

It's a Vaillant Turbo boiler, functioning fine as regards the central heating, but no longer supplying hot wat... [Read more]

What can cause my combi system to lose pressure?

I recently had my combi system flushed and for a week it held pressure, and was, as in the past, quiet. Howev... [Read more]

can i fit a 2 port valve to a gravity feed heating system?

Hot water is gravity fed through the boiler and through the coil in the hot water tank to heat the water. The ... [Read more]

low water temp from combi boiler?

Could anyone let me know what may be the problem. My combi boiler works perfectly on the central heating side... [Read more]

ferroli boiler cutting out?

My ferroli central heating boiler works fine for the hot water but keeps switching off on the central heating ... [Read more]

How can i fix my Worcester Bosch 240 combi boiler?

I recently removed two downstairs radiators to decorate. When I tried to turn the heating system on again it w... [Read more]

How can I fix my Bosch Boiler?

It sounds like there is something wrong with the motor. The pilot light is not igniting and the red lights in... [Read more]

potterton puma 80?

when i stop using hot water the boiler goes off and the pilot flame goes out and when heating is on and goes o... [Read more]

Hot water problems with Ariston Eurocombi boiler?

In short, my boiler will only provide hot water whilst the heating is on, the rest of the time it is either lu... [Read more]

potterton puma 80 combi boiler?

boiler on but will not heat water or central heating - when switch tap on starts heating water and then starts... [Read more]

worcester bosch 230 combi boiler?

when the heating is on the hot water from the taps remains cold.i have been told this may be the clarifier.