How to mend ... Ch Gets Sometimes

Sabre 29 HE running cold!!!?

Looked for answers here but unable to find any. Had the above boiler for the last 2 years and its been fine. H... [Read more]

Jaguar 23kW: Using hot water tap triggers central heating to come on?

When i use the hot water i then turn off the tap. About 30% of the time i find the central heating comes on. T... [Read more]

Potterton Netaheat 16/22 Boiler - No pilot light and won't relight?

I have a Potterton Netaheat 16/22 boiler which has stopped working. When there is a demand for HW or CH there ... [Read more]

ferolli lighting but not staying lit?

as above it lights but will not stay lit, rises to 11.5 mbar as it should then dies off, few seconds. all powe... [Read more]

Potterton Promax HE15 Random Starts?

Our boiler is trying to start itself up randomly. It's 4 years old and so far we have had no problems. Now... [Read more]

Sime Friendly Format 80e, replaced diverter valve but rads. still get hot?

Boiler: Sime Friendly Format 80e Problem: Radiators get hot when DHW is run. I had assumed this was the di... [Read more]

When I turn on my hot water or central heating, my breaker trips?

When I turn on my hot water or central heating, my breaker trips straight away. Started happening two nights a... [Read more]

Vaillant ecoMax boiler - no hot water?

Getting CH and checked CH pipes after running hot tap to check if it was valve problem. Nothing! Could it be... [Read more]

No burner light (halstead high ace)?

Got a problem with boiler, no burner light, no CH no HW, tried reset tried power off, tried overhear reset.

sime 80c format combination boiler?

ch and hw go to lock out after 10 secs of main burner lighting

worcester 24I junior losing pressure?

I have a static caravan with a Worcester 24I Junior boiler. The pressure gauge goes down slowly over a period... [Read more]

where is my diverter valve?

i moved into new house with potterton flamingo 50, can not just run water heating can only get water heating a... [Read more]

csi85 1 year old?

i have two raventheat csi 85 and both give hot water when ch mode is on , but dont work when in the dhw only ... [Read more]

Problems with Ravenheat Combi RSF Fanned?

Boiler has no markings on, but have manual that says... Fanned Combi RSF 84E - RSF 100E RSF 84ET - RSF ... [Read more]

How Can I Verify My Landis & Gyr RWB2 Programmer Is Faulty?

Hi, I suspect my Landis & Gyr RWB2 Programmer to be faulty as my HW is working fine but I have no CH. I hav... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

BAXI 105E ISSUES ON FIRING UP DHW / CH?

My boiler is problematic - takes sometimes 30mins resetting and resetting because of fame failure light flashi... [Read more]

No hot water with Worcester 28Si?

We have a Worcester 28Si and are now getting no hot water at all. It started a while ago. The central heating... [Read more]

ferroli modena 80 E ch not firing up?

my ferroli combi central heating is not coming on and it is also taking longer for the hot water to come throu... [Read more]

europa 24/28 gas combi boiler?

My boiler will start and get up to temperature then switches off. It cools down then starts back up again. I ... [Read more]