How to mend ... Indicate Boiler Heat Fault

Would router interfere with wireless room thermostat?

Our room thermostat ( Honeywell) has ceased to communicate with our boiler.This coincides with having a router... [Read more]

Glowworm 85/100 boiler fault?

Finally got the boiler pilot light relit after many attempts ( faulty thermocouple ? ) but no heat in downstai... [Read more]

Baxi 105 HE Boiler Fault with Condensate Drain?

The boiler is 16 months old and although central heating fine, the boiler will not heat the water and displays... [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]

WORCESTER BOILER WON'T TURN OF?

My 28i boiler runs even when turned off at the timer or the thermostat is set to zero. When faulty it runs ful... [Read more]

Ferroli optimax anyone knows what fault D01means?

And D02. Heat picture is showing over radiator but the burner is not coming on and the boiler is very new.

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

bubbling boiler glowworm 24hx?

new installation fault 22 and fault f4 keep coming up.all rads heat no problem but when boiler reaches 62 degr... [Read more]

What's wrong with my Worcester 350 combi boiler?

My Worcester combi sometimes shuts down just after it lights to heat the water for the central heating. It see... [Read more]

Why is my water still to hot?

Previous Q & A :- I have a recently installed worcester 24i (LPG). The tap water gets very hot and after a wh... [Read more]

Vaillant TurboMAX Plus 824e -No Central Heating. DV ok?

Boiler appears to function normally with plenty of hot water, no fault codes, pressure 1.8bar but I cannot get... [Read more]

Worcester oil heatslave 26/32 storage combi boiler?

Cannot maintain pressure in the boiler. Heats the water up very well but turning on the hot tap it comes out c... [Read more]

Saunier Duval 30e Fault?

Hi, The Boiler Burner light does not come on and there is no ignition. I have ensured there is gas to the syst... [Read more]

ravenheat rsf100et no hot water or heat?

i came to fault find on this boiler, pump runs, fan runs, pressure switch ok boiler lights on pilot light and ... [Read more]

sabere 25he died pcb change which one ?

Hi my boiler fitted last november so not even 1 year old . tried fault diagnosis fan runs pump runs no hot wat... [Read more]

Valiant vuw 242/1e dhw fault #2?

I have similar boiler with similar fault. During summer when mains water is warmer, shower taps are mixed more... [Read more]

ICOS HE15- Boiler ignition banging?

Have Icos HE15 boiler. 2+ years old. Regularly serviced. Works OK on heating + hot water but has a problem wit... [Read more]

Vokera 80 SP?

Hi, when my heating is on and the thermostat is calling for heat the boiler comes on but every say 15-30 secon... [Read more]

luke warm hot water?

hi, had a new heat exchanger to my valliant boiler 4 months ago, was fine, but now i am only getting luke, war... [Read more]

potterton supremer 401 boiler ?

heating engineer fitted two heat controllers to my boiler it seamed to do the trick for a week but fault came... [Read more]