How to mend ... Boiler Central Working

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]

Siemens rcr10/433 how to restart it?

My central heating stopped working but boiler and transmitting unit both seem fine and still have hot water. T... [Read more]

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]

isar he30 boiler problem?

NO central heating working, hot water works fine but no GCS ? Any help would be great thanks.

no hot water on my worcester 240bf?

Boiler lights up but have no hot water i have changed the diverter diaphram and can see the micro switch worki... [Read more]

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

How can I fix my Worcester Bosch 24i RSF Combi Boiler?

The central heating side of my boiler will not fire up. The hot water starts straight away. The fan and pump a... [Read more]

how can i fix my sabre he boiler to give heating and hot water?

my was working alright until i turn it off to fix a tap in the bath room.the boiler went red after some days ... [Read more]

how do i get my central heating working again?

Hi, I have a Vaillant ecotec plus 624 sealed fan assisted boiler. Just the other day it stopped working a... [Read more]

Potterton puma 80e - no pilot light?

Boiler been working fine until Sunday night, Ran a bath as normal but then also tried to fill the sink but no ... [Read more]

I have a modena 80e no central heating but hot water works?

Hi my hot water is working fine but when I try to put the central heating on the boiler does not fire up, is t... [Read more]

My central heating is working fine, but I'm not getting any hot water?

Is there anything I can do to try and get hot water from my potterson powermax HE boiler? All the central heat... [Read more]

Can't get hot water but central heating is working fine, any ideas??

Ferroli Boiler Optimax HE 31C. Bar pressure and temperature is fine

how do I repair my Ferroli Modena 80e combi boiler,no hot water?

My Ferroli Modena 80e combi boiler has stopped working on hot water only.The central heating is working ok.Any... [Read more]

Worcester gree star 25Si clock wrong?

Hi my heating suddenly turned on earlier than usual and i see my clock on the gas boiler is suddenly reading t... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

halston ace boiler central heating problem?

Heating comes on and off even when switched off and just set for hot water only! tried resetting. Any suggesti... [Read more]

Remeha Avanta plus - No heating but hot water is flowing?

I have a problem with my Rehema Avanta plus boiler. It was working perfectly well but on Monday 29th October, ... [Read more]

Procombi 85 HE hot water ok, but central heating not working?

The boiler is working when I run hot water, it fires up when the central heating is turned on, the pump get's ... [Read more]

How can I turn my Volkera excell 80sp on again?

Hi, I have a Volkera excell 80sp. I shut off accidentally the gas supply while the central heating was worki... [Read more]