How to mend ... B Dhw Out

ch will not turn off. when on dhw only?

thermostat disconnected on boiler .swich on water only ch still comes on .continuse burning till over heat.

Valiant vuw 242/1e dhw fault?

Have a client with above boiler who's dhw would only work when there was a large demand-eg tap belting out. G... [Read more]

how can i fix my ideal c80ff combi?

my combi fires up on ch but wont always fire when dhw is required. i switch on the ch and it fires up then the... [Read more]

ferolli modena 80 fan?

Hi my boiler has been working fine until to-night when the fan will not switch off without a reset. CH and DHW... [Read more]

ferroli falcon boiler lockout?

my ferroli falcon intermittently stops supplying both dhw and ch,if i switch the reset then boiler reignites.w... [Read more]

Ravensheat 820 Boiler won't fire up?

My boiler will ignite the pilot light but won't go to full heat, for CH or DHW, any idea's would be great

The water from my valient combi is top hot, I have replaced the thermostat?

I have replaced the DHW flow thermostat but the water is still too hot

Halstead Finest - Heating comes on when in 'off' position?

My Halstead Finest Gold boiler heating is coming on and does not turn off, when the controller is set to the '... [Read more]

Why does my boiler go g-g-donk and then lock out?

My Chaffoteaux & Maury Britony combi has an intermittent problem. About a minute after turning hot water off, ... [Read more]

how to fix boiler? ?

hydroline b24 heating fine no dhw doesnt ignite

halstead finest gold no dhw?

when i turn hot tap on boiler will not fire up. if turn ch on dhw works ok. help!

how can I fix leak on combi 105e?

I have a water leak between the diverter manifold and the DHW pressure differential valve,I have replaced the ... [Read more]

boiler pipework?

What are the 4 pipes from the potterton flamingo 50 boiler. Two are 22mm, I assume they are for the c.h and dh... [Read more]

DHW problems?

I have a Halstead boiler turn on the DHW after 10mins goes off ,reset button comes out ,press and the same aga... [Read more]

Why is the CH on my Modena 102 boiler not working?

The CH is not coming on at the boiler, the DHW works fine. Turned it on for the first time in months via the t... [Read more]

PROTHERM 80E - Boiler cuts out ???

Boiler will run DHW / CH and for no apparent reason cut out, particularly annoying half way through a shower. ... [Read more]

dhw on my ariston eurocombi a/23 mffi gets too hot?

dhw control does not affect temp of water coming out of taps. ie if left to run water reaches max temp before ... [Read more]

the dhw?

should it have water in it

BAXI COMBINATION BOIER?

BAXI COMBINATION BOIER Power on Presser gauge shows 2.5 CH and DHW mode Boiler star going Pump start ... [Read more]

baix combi?

in ch and dhw mode; boiler star, pump start working, but when boiler demand for fan to ingage, fan doesn't c... [Read more]