How to mend ... Water Into Ch After Down

My boiler pump runs continuously and fires even when timer switch is off?

I have a potterton boiler, potterton time switch with HW and CH having separate controls. The boiler recently... [Read more]

Baxi Combi 105e - flame-out problem?

My boiler runs oK on CH & hot water. However if I shut the CH off from the Controller ,the Boiler keeps runnin... [Read more]

Vaillant VCW GB 221 H CH problems?

Hi When switching on the CH, the boiler makes the usual noise but then does not fire up the burners for CH ... [Read more]

How to you clean sludge from a Protherm 80e Combi?

I have a Protherm 80e Combi. The heating cuts out when it hit's a certain temp. I don't get an error message. ... [Read more]

Valliant Bolier?

I have Valliant Turbo bolier too with a similar problem..... When I turn a hot tap on the bolier does not fi... [Read more]

Vaillant Turbomax?

I have no hot water from the taps unless the CH is on. I have read on your site it might be the microswitch or... [Read more]

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 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]

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]

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]

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]

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]

Why is the water not heating up?

I have swiched the CH off now the weatehr is hot but now the hot water doesn't heat up - the heating control p... [Read more]

My Potterton EP3001 programmer has 'reprogrammed' itself?

After a holiday with the power off my EP3001 programmer battery ran out (its old) and when switching on mains ... [Read more]