How to mend ... B Dhw Out

how can i fix my boiler-potterton performa 24?

potterton performa 24.when i want dhw the pressureimmediatly shoots up to 2bar. the boiler will not ignite at ... [Read more]

boiler fault?

i have a 3 year old ideal he24 which all of a sudden will provide hot water when needed but when central heati... [Read more]

Vokera Linea 24 hot water temperature anybody?

Need some advice on our vokera linea24. Had a proper look in manual,but can't find all answers.We have a prett... [Read more]

Problems with dhw on ideal isar 24he ?

ch ok but poor hw

Sabre 25HE DHW Problem?

My son's Sabre 25HE has a DHW problem in that the water runs hot and then the boiler stops firing and runs col... [Read more]

I have a chaffateux 80 boiler cuts out on CH mode?

I have a chaffateux 80 boiler, the dhw works ok but when CH goes out after a few minutes. It goes back on when... [Read more]

halstead aces high almost new everything but just stopped firing up?

have replaced switches. diaphram. pcb. i have an identical boiler in my office and i changed pcb's recently. ... [Read more]

ferroli f24b intermittent DHW?

the hot water works for a minute or so then goes cold for a few seconds before heating up again... any ideas??

Glowworm Ultimate 40FF?

DHW working fine and all neons come on in correct sequence. For CH, Neons 1&2 keep flashing, fan runs for abo... [Read more]

How can i fix my Halsted cOMBI 82?

I CANNOT GET DHW UNLESS MY CH IS RUNNING AND THEN TAKES TIME FOR DHW LIGHT AND BURNER TO IGNITE. WHAT IS THE F... [Read more]

Combi 80, CH losing pressure quickly?

Hi, just found this website and it seems there are a lot of knowledgeable people in cyberspace. My question... [Read more]

worcester 24 cdi no dhw?

the heating is ok but iam not getting any hot water. ive changed the dhw sensor,any help plz...TONY

How can I fix my Chaffoteaux Britony boiler SE 80?

The hot water, whether the heating is on or off, fluctuates between hot and cold in a 30 odd second cycle. The... [Read more]

what would be causing a "pouring" sound from my ferroli modena 80e?

A few months ago the over flow on my ferroli modena 80e combi was in constant over flow and the ch pressure ga... [Read more]

Problem with DHW going hot then cold on Modena 102?

I have a problem with my hot water going hot then cold, particularly when shower on. If I remove internal c... [Read more]

Potterton Puma 80 - No hot water?

Potterton Puma 80 works fine with central heating, but without CH on, it does not produce hot water. At hot wa... [Read more]

Combi boiler losing pressure?

I have a Vokera Syntesi e boiler it keeps losing pressure but there are no leaks. When on DHW only setting tem... [Read more]

DHW HE Replacement Kit (0605034) -Vaillant?

What are the consequences if the PCB link and diverter valve is not modified? Thanls in advance

DHW is not running hot on glow worm compact 100e?

Have just replaced leaking elbow feeding dhw from boiler but now dhw not running hot, ch is ok. Any ideas plea... [Read more]

Leaky DHW Heat Exhanger - Vaillant Combi VCWGB221?

DHW HE (Black plastic) is leaking from LH side of the boiler. What effect this leak will have on boilers perf... [Read more]