How to mend ... Central Water Boiler

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]

no hot water on my worcester 240bf?

Boiler lights up but have no hot water i have changed the diverter diaphram and can see the micro switch worki... [Read more]

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.

boss therm bps242rf Thermostat is not switching on my central heating?

After downloading the manual online (2 basic pages) I am none the wiser. Inside the Thermostat back cover are ... [Read more]

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]

Condensing boiler overflow dripping?

We moved into a newbuild 18 months ago but over the last 2 months the overflow pipe to my boiler (located dire... [Read more]

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

how do i get my central heating working again?

Hi, I have a Vaillant ecotec plus 624 sealed fan assisted boiler. Just the other day it stopped working a... [Read more]

Does my boiler need it's gas pressure adjusting ?

My Sabre 35 Combi boiler fires up ok when i turn on the hot water tap, but the water has to run for ages befor... [Read more]

vaillant eco-tec plus combi boiler?

i have great central heating but very low pressure from hot water taps, what should i check.

'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I fin... [Read more]

Ariston ecombi 30 problem?

My combi boiler works fine but hot water goes cool every 3-4 minutes for about 10 secs and then goes back to t... [Read more]

I have a modena 80e no central heating but hot water works?

Hi my hot water is working fine but when I try to put the central heating on the boiler does not fire up, is t... [Read more]

My central heating is working fine, but I'm not getting any hot water?

Is there anything I can do to try and get hot water from my potterson powermax HE boiler? All the central heat... [Read more]

Spectrum Fuel-Miser Mk IV?

My central heating system has a Spectrum Fuel Miser Mk IV which provides: . Electronic temperature control of... [Read more]

how can i fix my boiler?

only when the central heating is heating up do we get hot water i have a feroli boiler ive tried unplugging he... [Read more]

valient turbomax 242eh central heating will not operate once it reaches tem?

242 eh installed with 3 rads the boiler works fine in hot water when in ch and hot water mode ch reaches temp ... [Read more]

Central Heating works but no hot water? Worcester 28i RSF?

Hi I hope someone can help. I have a Worcester 28i RSF Combi boiler that i have a problem with. A few we... [Read more]

glowworm betacom 30 problem?

Hello folks, boiler is 2 years old, had plate heat exchanger cleaned/changed/cleaned...dhw sensor replace... [Read more]