How to mend ... Central System Hot

Why do the diaphragms in my Vokera XL80sp keep perishing?

Ive had the boiler for about ten years now and its been reliable apart from the main (large) diaphragm in the ... [Read more]

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]

Hot water problems, cylinder not getting hot?

I have a back boiler heated vented system, there is central heating but no hot water after i flushed the sedim... [Read more]

Why have I got hot water but heating system?

When I turn on combi boiler all I have is hot water. There is no central heating - What should I do?

Vokera Maxin 24e Lockout?

I am having problems with the Lockout Reset Button illuminating intermittently on my Vokera Maxin 24e, the con... [Read more]

How can I fix my Vaillant Combi boiler VCW 18 T3W FH?

Whilst using the shower, the hot water cut out. The boiler failed to fire up for water until I'd left it for ... [Read more]

How can I fix a vulcan Continental boiler?

Vulcan Coninental Central Heating System cuts out before the water is hot when it is programmed on the all day... [Read more]

Pipework Mix Up?

Hi there I recently relocated some pipework so that I could fit more ceiling joists to reinforce our loft conv... [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]

How can I fix my Ferroli combi boiler losing water pressure?

I have a Ferroli Moderna combi boiler and have to keep on re-pressurising the system (by using a filling loop)... [Read more]

Hotwater circulation pump?

Bungalow: Hot water system Grundfos circulation pump failed suddenly. [not c/heating one]. Q: 1 Is it poss... [Read more]

sludged pump?

Bungalow: Grundfos hot water circulation pump failure. Kitchen around 20mt from storage tank so the pump fa... [Read more]

Draining a sealed system and adding a rad?

My daughter and family have moved in to a chalet bungalow and one upstairs bedroom lacks a radiator. My son i... [Read more]

water will not heat up?

Drained central heating system as a pipe was leaking.Put a new piece of pipe in. Turned water back on,put cent... [Read more]

How can i fix my puma combi boiler?

The pilot light does not come on I have no central heating or hot water. We have checked the water system and... [Read more]

How can I restore the hot water supply from my Potterton 45 back boiler?

I have a Potteron back boiler for central heating and hot water.Until recently it has all worked OK but now I ... [Read more]

central heating not working?

I have a biasi 24s combi boiler. Dhw working but heating not working, flow pipe from boiler and first radiator... [Read more]

boiler not staying alight for long when hot water switched on?

when the hot water is switched on the boiler lights ok but only stays on for short period of time. water does ... [Read more]

Worcester 350 Combi Plate heat Exchanger - Is engineers diagnosis correct ?

We have a Worcester 350 Combi and recently when we have been running the hot water the system has been overhea... [Read more]

potterton 50el - heating but no hot water... please help me!?

I have a potterton 50el boiler that powers my central heating and hot water. It is fully pumped and (I believe... [Read more]