How to mend ... Boiler Dhw Heating

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]

ref my biatsi boiler?

I can only get dhw if the heating is on

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]

Can anybody advise why Flexicom 35CX goes into state S53 when in DHW mode?

The boiler works fine for central heating and DHW for sink taps and shower, but when bath tap is used the boil... [Read more]

potterton performa 28 boiler?

hi there my boiler fires up constantly once the electric is switched on,cannot control it from the room thermo... [Read more]

potterton performa 24 ?

my boiler keeps fireing up then going off within seconds when heating is on it does get radiators hot but same... [Read more]

Dhw only Luke warm?

Hi ,I have a vaillant 828e T/max dhw is Luke warm at its very best, I have replaced thermistor 1,cleaned plate... [Read more]

heating stat on boiler?

the heating stat on quattro gold turns boiler on but it keeps running swpt heating stat for dhw no change wont... [Read more]

main combi 30he flame failure light?

Hi Has anyone got an answer to this problem with the above boiler? when the central heating is swiched on the ... [Read more]

glowworm betacom 30 problem?

Hello folks, boiler is 2 years old, had plate heat exchanger cleaned/changed/cleaned...dhw sensor replace... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

heatline s20/s30 boiler?

I have a flashing light on my boiler for DHW sensor and is affecting the heating so that the boiler does not s... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [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]

diveter or not?

hi I have a ideal izar 30 boiler just replaced pump and dhw dimister getting dhw but no heating ... [Read more]

boiler keeps anticycling?

I have a Halstead Ace High combination boiler,the boiler keeps shutting on/off either in ch mode or dhw mode ... [Read more]

halstead ace high boiler problem?

after my son has spent 20mins or so in the shower,shortly after there is a hissing sound, and hot water comes ... [Read more]

Ravenheat CSI 120 error code 04?

I have a Ravenheat CSI 120 on which I recently (last week) replaced the diaphragm in the diverter valve. I the... [Read more]

Sime Format 100c 6yrs old?

My boiler stopped working this morning, Homecall+ what a disaster!, gone bust and forgot to tell me! still hel... [Read more]

how do i refill worcester 532/i combi boiler?

came back of holiday notice 3 radiators not heating bled all the air out now boiler is not working tried reple... [Read more]