How to mend ... Intermittent Water One

I have an Alpha 280E boiler?

The fault I have is intermittent and only happens in the summer when the heating is either switched over to ho... [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]

potterton profile 40e can't be controlled by programmer?

The boiler is working and provides both hot water and heating but runs continuously, even with the programmer ... [Read more]

Why Intermittent hot water on the Vokera Compact 24?

In DHW/CH mode the heating works fine (all singing all dancing). Turn on the hot water tap and the boiler gas ... [Read more]

Potterton Netaheat 16-22 Mk II - pilot on but does not heat?

Potterton Netaheat 16-22 Mk II - pilot light comes on but main burner doesn't. Problem was intermittent first... [Read more]

Intermittent Hot Water?

Hot water is luke warm and fluctuates in temperature. On boiler controls temp goes from 70 to 80 and then dro... [Read more]

Intermittent hot water with my Vaillant TURBOmax VUW 242E?

For the past 4 months I have had intermittent hot water with my Vaillant TURBOmax VUW 242E, well rather luke w... [Read more]

intermittent heating fault?

fault with heating on Vaillant vuw242e hot water works perfect however when heating is called for will only wo... [Read more]

Vaillant Turbomax No Water/Warmstart/Heating S.33 Error?

Hi, I have moved into a house with this dreadfull boiler. Hot water has been intermittent i.e takes ages to... [Read more]

My Raven heat combi RSF 100E has an intermittent fault?

My Raven heat combi RSF100E/RSF 84E/RSF 84ET/RSF100ET. has an intermittent fault the hot water facility works... [Read more]

How can I fix intermittent heating of hot water on my Feroli Modena 102?

When the hot water tap is turned on, The water heats up and cools down cyclically. Looking at the boiler, the ... [Read more]

Hot water problems on a Ravenheat RSF 100e?

The hot water varies in temperature from freezing to red hot but is very intermittent. Some days no problems, ... [Read more]

New pipes needed for Ravenheat csi85-85t?

We have just had British gas come to fix boiler as it was giving out intermittent hot to freezing water when h... [Read more]

Overheat cut out worcester 9.24 electronic boiler?

Had no central heating but hot water ok, boiler shuts down after 2 mins, found (eventualy) that the thermocoup... [Read more]

Intermittent problem with Ferroli Optima 901 Combi Boiler?

Our boiler supplies piping hot water in 'hot water' mode and heats the radiators in 'hot water + heating' BUT ... [Read more]

Worcester 240 combi - all lights on but no heating no hot water?

Hi, I have just moved in to a house and the boiler worked fine (well, it was heating the rooms but hot water w... [Read more]

intermittent hot water supply from my worcester 24cdi combi?

shower hot then cold , hot cold etc!

very intermittent hot water?

I have falcon 2 combi, heating circuit ok but when it calls for hot water it fires up for approx 30 seconds th... [Read more]

locate faulty component?

When hot water is drawn, the boiler makes a standard hum then you can hear the burners cutting in and water fl... [Read more]

intermittent hot water from vaillant combi vcw sine?

having just installed a new bath and sink I now have a problem with the hot water supply from the vaillant com... [Read more]