How to mend ... Combi Not Heating Fine

thelia 23 boiler. No hot water upstairs when heating is on?

I have a Saunier Duval combi boiler, Thelia 23. Hot water works fine upstairs and down when the heating isn't... [Read more]

my vokera xl80sp combi boiler is fine with everything except the bathwater?

my vokera xl80sp combi boiler is fine with everyting except the bathwater which runs only lukewarm. The showe... [Read more]

Heat Upstairs But not Downstairs?

I have 6 radiators in my house, 4 upstairs and 2 downstairs. My upstairs radiators are fine but I have a probl... [Read more]

Vaillant turbomax combi hot water problem?

just had a new diverter valve fitted as we were getting no hot water. (central heating fine) problem still ... [Read more]

24i Worcester RSF Combi - hot water but no heat!?

Hello - It's regarding the boiler mentioned above. I am getting hot water easily enough but no central heating... [Read more]

Alpha CB24 Combi Boiler not heating up radiators?

My home radiators are not heating up enough to warm the flat, the Boiler works fine, had the radiators cleaned... [Read more]

Brotony Combi SE, flashing 60 light?

According to the 'helpful' manual, it says the 'ionisation circuit board is faulty' So, which ones that. We... [Read more]

Glow-worm combi boiler 100e information urgently needed?

where is the diverter valve on a Glow-worm 100e combi boiler and what do i need to do to change the diaphragm ... [Read more]

how can i fix my ariston combi boiler?

My central heating is working fine but i cannot get my bath to run hot for more than 60 seconds before it goes... [Read more]

ferroli modena 102 problem?

i have recently changed the low pressure switch on my modena 102 combi boiler, it was workin great for 2 weeks... [Read more]

Worcester 240 combi - all lights on but no heating no hot water?

Hi, I have just moved in to a house and the boiler worked fine (well, it was heating the rooms but hot water w... [Read more]

any ideas on a ravenheat 820/20 combi boiler?

The boiler shuts off about 5 minutes after running a bath,when the hot water tap is opened afterwards the wate... [Read more]

The ferroli Moderna 80E Heating?

The ferroli combi heater is working fine for hot water, but although I have set the timers for the CH it doesn... [Read more]

problem with biasi 24s boiler combi?

my boiler let me run hot water off for awhile then it would go on lock out and red light come on, press to res... [Read more]

wireing diagram for a ferroli domicompact f30?

I have a ferroli domicompact f30 boiler with a convensinal central heating system. i have lately instaled unde... [Read more]

how can i fix my baxi combi instant 105e?

the over flow pipe is leaking hot water constantly and the heating is not working. the hot water suply is fine... [Read more]

Alpha cb28 boiler. Hot water is fine but central heating isn't working?

Just attempted to start using central heating again after summer and it isn't working. Combi Alpha CB28 boiler... [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]

Emergency shutoff won't reset on Glow-worm Betacom 30?

The emergency shutoff light on my Glowworm Betacom 30 combi boiler has come on and will not allow me to reset ... [Read more]

Ravenheat CSI-85 Combi, erratic operation, any ideas?

Boiler now 2 years old. Works fine generally, however it has now started to operate even when the settings sa... [Read more]