How to mend ... Heating Calling Heat

lights?

solo pfl 80/30the lights on my boiler used to be green but now they hace all gone red can you tell me if somet... [Read more]

heating glowworm 30cxi?

3ocxi will not shut off even when all controls are not calling for heat and radiators are still getting hot ev... [Read more]

Baxi duo tec combi 24HE heating fault?

My 2 1/2 year old Baxi combi shuts down the heating side despite everything calling for heat. This happens int... [Read more]

How Can I Fix A Potterton EP2002 Heating System?

My daughter has a Potterton EP2002 system with a Potterton Suprima 40L boiler and a MPE322 diverter valve. Th... [Read more]

ideal FF270 ticking but no heating. Pilot light OK?

My Ideal FF270 is installed to supply CH only and sometimes works perfectly. However, in really cold weather, ... [Read more]

Hot water but no heating?

Hi i have a fully pumped two valve system which until recently has been working reasonably well, I say reasona... [Read more]

no heating no hot water, but power to boiler?

theres power to the boiler but no heating and no hot water. All controls calling for heat

heating works when it feels like it?

the red and green buttons come on at the right times, i have replaced the batteries. but it only ignites ramdo... [Read more]

no dom hot water?

optima 701, i cant get d.h.w. heating is ok but running hot tap cold ,boiler not calling for heat when tap ope... [Read more]

heating ooo?

heating not working . the tstat is calling for heat. but the boiler fires up then shuts off immediatley. but t... [Read more]

no heating or hot water?

glowworm ultima only got pilot when calling for heat

Vokera 80 SP?

Hi, when my heating is on and the thermostat is calling for heat the boiler comes on but every say 15-30 secon... [Read more]

Ravenheat RSF 84ET - not heating rads or water?

Good Morning guys, I am looking for some advice regarding my girlfriends Ravenheat RSF 84ET combi bo... [Read more]

I'm such a clever so & so!?

I've sorted the answer to my own problem (as below)...a new diverter valve spindle kit is required! Help! H... [Read more]

Help! Heat Line problem?

What is causing poor hot water flow to all taps? So much so, that when one tap is turned on (with only more th... [Read more]

How do I overcome thermostat response delays in my underfloor heating?

I have a new house with hot water underfloor heating and 8 zones. Some zones have ceramic floor tiles and tak... [Read more]

Hot water prob - Vaillant Turbomax Plus?

For about the last 6 weeks or so our hot water temp has been very unstable. The boiler fires and heats wat... [Read more]

Potterton Suprima Fault Finding Guide?

I have a Potterton Suprima 80L. When going through the initial conditions check (fault finding guide) I get t... [Read more]

problem with mid position valve? ?

I hope someone can clarify if I have diagnosed the fault that I think Ive got. A few days ago the central h... [Read more]

How can i fix my Glow Worm Space Saver 20 - 30F?

If i blow into the APS (via restrictor) the boiler lights up, heats and runs for about 5 minutes but will not ... [Read more]