How to mend ... Switching System Water

with the system drained, what pressure should be in the expansion tank? ?

worcester electronic 9.24. when i switch the central heating on, water pressure starts to raise from one bar u... [Read more]

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]

Cylinder Thermostat not switching off?

I have recently had my system drained to fit a new bathroom. Since then the hot water has been too hot. I trie... [Read more]

how to fix potterton performa 24?

boiler continues to burn,bypassing all instruction to do otherwise.ive tried resetting but again the boiler ju... [Read more]

Glow Worm Space Saver Mk2 - Cutting Out- No Hot Water?

The boiler was ticking over on the pilot light. After switching the system on/off I couldn't hear or feel any ... [Read more]

How do I maintain the hot water system on my combi 240 RSF to hold on?

Every time I turn the hot water on, it trips off aftera few minutes. I have to get the wife tostand by the boi... [Read more]

Worcester 24i - Cold Radiators!!!?

Hello I am having problems with my central heating system. Basically the radiators are cold even when the hea... [Read more]

How can I reduce the pressure in my Baxi combi boiler?

My partner re-pressurised the boiler system following a water company switch off and forgot which way he had t... [Read more]

Cannot fill Vaillant Turbo Max plus 824E ?

No pressure indicated on gauge and yet Radiators appear to be heating ok. Switching on Hot water Tap brings on... [Read more]

Cannot fill Vaillant Turbo Max plus 824E ?

No pressure indicated on gauge and yet Radiators appear to be heating ok. Switching on Hot water Tap brings on... [Read more]

Heatslave 15/19 boiler - keeps kicking in?

i All, We have a heatslave 15/19 which was fine until a couple of days ago. A guy came round from the water... [Read more]

Worcester 30cdi switching off?

My boiler above reaches a temperature of about 95C then switches itself off when under Hot Water load. Any hin... [Read more]

Why does the main burner(CF 40 furingas) start roaring at times?

Ref above my boiler is a Potterton Kingfisher free standing open flue gas fired boiler (approx 25 years old) a... [Read more]

Bosch 350 Combi. CH not working domestic water OK?

Bosch 350 Combi. I have a similar fault to an earlier posting in that domestic water is OK but central heating... [Read more]

Pilot light keeps going out on our Baxi Solo 2 PF?

Hi, we have had no hot water or central heating since Wednesday and would like some help in identifying what t... [Read more]

How do you test a circulation pump on a Raven Heat Combi boiler?

Ive got a Ravenheat Combi Boiler (one without a pilot light window). A fw weeks ago it just stopped working. W... [Read more]

how to fix my BAXI INSTANT 105E?

system is 4 years old. problem is the heating will not come on, i only get hot water. main boiler pilot light ... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

How can I fix my Jura impressa S9 coffee machine?

The display flashes FILL SYSTEM/PRESS STEAM. When the steam button is pressed the machine makes grinding and ... [Read more]

Hot water OK, central heating not, one radiator warm?

My system (Glow Worm Fuelsaver F boiler) is working fine for hot water, but the central heating won't come on.... [Read more]