How to mend ... Boiler Works Fine Diverter

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]

vaillant vcw 242 eh?

After DHW pipe is closed boiler start sparking again (with no fan start).After safety time boiler goes into bl... [Read more]

i have glow-worm flexicom cx 30 no hot water?

heating works fine but boiler doesnt even try to fire with hot tap on and i can see the pin on the diverter mo... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Ravenheat combi fires up Ok but keeps stop / starting?

My Ravenheat combi boiler fires up Ok for Hot water , shower or sink taps , gives proper hot water for approx ... [Read more]

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

dripping expansion pipe?

had to renew a leaking diverter valve on a vaillant ecotec boiler, everthing works fine (heating and hot wate... [Read more]

HELP!!! Ravenheat csi 85 combi?

Heating but no hot water. Turned hot tap on and plunger on diverter valve pushes onto the Micro switch which o... [Read more]

What part do i need?

My boiler is a Worcester bosch 240 Combi. The CH, when switched on works fine. When i turn on the hot water ta... [Read more]

Combi Pressure too high!!?

Hi there. I have a Halstead 30/90 combi boiler which, since I replaced the diaphragm in the diverter valve, is... [Read more]

Baxi Combi Instant 105e hot water works but no heating?!?

Hi I have a Baxi Combi Instant 105e. The hot water preheat function works, and so does the normal hot wa... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

Why is my Vaillant ecoMAX828 so noisy?

The boiler works fine when firing up for central heating, and also for medium demand hot water. However, when ... [Read more]

No Hot water from combi?

I have a 10 year old Vokera Linea 28. I have no hot or cold water coming through the taps at all. The central ... [Read more]

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]

no hot water baxi combi 105e?

Hi. I'm looking for some help with a baxi 105e combi boiler. Central heating works fine but hot water only jus... [Read more]

potterton performer 24kw HEcombi?

Hello ,is there any quallified heating engineers out there who may know wat this fault is. no hot water,the p... [Read more]

glow worm compact 80e?

got the above boiler which works fine on heating i.e diverter valve switches over, fan and pump starts, fires ... [Read more]

heating not coming on feroli f24?

the boiler works fine on the hot water side but when i turn the temp control up for the heating to come on not... [Read more]

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]