How to mend ... Dhw Boiler Works

VCW GB 282EH PCB board not lighting up?

Time clock set constant,"CH switch On" does not aluminate, fuses OK ,only way to operate & ignight boiler "CH ... [Read more]

No hot water on my worcester/Bosch combi 24i?

Boiler has been working fine for the few years we have been in this house. Every thing was fine until last wee... [Read more]

Halstead Eden CBX 32 boiler fault?

Hi I got a Halstead Eden CBX 32 boiler about 2 years old, the heating is not switching on from the clock. ... [Read more]

how do I fix the leak from the back of the DHW flow valve in my alpha 280E ?

I have a dribble of water coming from the back of the DHW flow valve in my alpha 280E combi boiler. I have tak... [Read more]

halstead finest gold no dhw?

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

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]

GlowWorm Compact 80e, leaking DHW Micro Switch?

Hi, I have Glowworm Compact 80e that has a leaking DHW Micro Switch. I opened it and cleaned the red washer... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

baxi 105e not changing over to central heating?

boiler appears to be stuck on hot water even though central heating his selected and time clock and thermostat... [Read more]

Why Intermittent hot water on the Vokera Compact 24?

In DHW/CH mode the heating works fine (all singing all dancing). Turn on the hot water tap and the boiler gas ... [Read more]

No DHW from Alpha 240E?

I have an Alpha 240E Combi boiler which works great when central heating is on but DHW does not get hot when c... [Read more]

Ferroli Modena 80e will not light?

Hello I have read your forum for a while because I have a 10 year old Modena that is good but never trouble fr... [Read more]

How can i fix my Halstead Ace Combi Boiler?

Domestic Hot water keeps locking out after 10 minutes. Checked all thermo's, cleaned the DHW and still nothin... [Read more]

Glow Worm Ultimate 50FF making "popping" noises?

During heating my 50FF boiler is making popping noises almost as if the water is boiling inside. It is not hap... [Read more]

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]

trouble with a protherm 80e?

help need when turning on hot water boiler dus not fire up but wot dus come up is on the self diagnostic digit... [Read more]

vaillant vcw242e no ch?

boiler works fine in dhw mode but will not fire in ch. it will run the pump and fan and pressure switch and di... [Read more]

Vaillant VCW GB 242 EH - burner keeps burning with Heating off and DHW Off?

DHW works fine, Boiler on with tap opened, off with tap closed, but reignites after a few seconds on low flame... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]