How to mend ... Central Heating System

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

Baxi Combi duo 24HE heating wont come on?

Been trying to get our our central heating (Baxi Combi due 24HE) to come on, water fine but heating will not c... [Read more]

siemens rwb9 connections to boiler?

I have a SIEMENS RWB9 central heating programmer. I am wanting to know the wiring layout for the connection to... [Read more]

What can I do about a Glow-worm Flexicom 30cx fault code F11?

I had a new boiler fitted in April this year. Last eve it stopped working, showing f 11. We have not been us... [Read more]

Central heating not working boss therm BP524RF?

Hi common problem, boiler central heating not coming on after winter. Tried the instructions given in other po... [Read more]

Rattling/knocking from Baxi Combi Instant 80 HE ?

My 93 year old mother-in-law's boiler gets a very loud knocking/rattling from the central heating system when ... [Read more]

valve controling hot water and heating system feels hot to the touch?

controlling valve for hot water and central heating feels hot to the touch when boiler is off. what could be c... [Read more]

Luke warm radiators?

Really need help with a central heating problem (old, but sturdy back boiler open vented system in a flat - o... [Read more]

home heating system?

my eco tec vaillant boiler heat water but the central heater can not start

Potterton Promax Combi HE Plus 28 nNo Central heating ?

System been switched to hot water only Now can't get Central heating to fire up. Thermostat not clicking. Hot ... [Read more]

Why does my Trianco Eurostar oil boiller not run the hot water system?

I have a 15 year old Trianco Eurostar oil burner with a built-in Horstmann timer and additional hot water tank... [Read more]

Variable hot water - Vokera Excell 80SP?

I have an issue whereby when in the shower, the hot water varies in temperature. Every few minutes the heat d... [Read more]

halstead boiler?

Repeated query when I turn on the hot water the system tries to start but fails.I try again & it fails. I swit... [Read more]

What is my problem?

When I turn on the hot water, the system tries to start but fails. I try again, fails. I switch off the system... [Read more]

Home Heating Systems?

my central heating system needs bleeding very often, I have found that it is sucking air into the system via t... [Read more]

Radiator problem ?

after a recent leak in my central heating system which is now fixed, i've refilled the radiators and fired the... [Read more]

baxi105he?

central heating system pressure is only 1bar how do i re set it

Boiler Vaillant 824e turbomax ?

central heating has stopped working. it was connected with wireless thermostat, intially i thought something i... [Read more]

my Ravenheat 820/20 combi keeps overheating?

when the boiler powers up on central heating the boiler keeps running and makes the water presure go above 3 b... [Read more]

My Ariston Combi A boiler keeps losing pressure from Central heating loop?

Heating loop pressure drops to the red line twice a day. Cannot find any leaks from any of radiator and no lea... [Read more]