How to mend ... Heating Water Not Radiators

boiler keeps going on and off (combi alpha 240e)?

when heating is on the boiller keep comeing on then going off, so radiators are hot then cold hot then cold, i... [Read more]

How can I lit a Myson 700C Marathon boiler?

I have just moved to a new house. Before I moved in, the main gas valve was switched off by the previous owner... [Read more]

Why do the upstairs radiators not get hot?

I have a Ferroli Optima 701 Combi Boiler. Our heating is working on the downstairs radiators, it seems quite h... [Read more]

Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]

h6w can i fix my saunier duval f23e boiler?

radiators keep getting hot when the hot water is in use even though heating is switched off at the main switch... [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]

wiring diagrame for danfoss fp75 control panel for glowworm ultimate boiler?

I have recently taken my danfoss controller of the wall for replastering and now found although all the lights... [Read more]

boiler heating up all the time?

i have a ravenheat condensing fanned combi csi85-csi85t it as just started to heat the water all the time in b... [Read more]

Glow worm ultimate 40ff ultrahot water!!!!!?

Hi, I have the above boiler with potterton ep3002 timer and potterton room stst with hot water cylinder stat ... [Read more]

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

Vokera Maxin 24e Lockout?

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

Heating works, but Hot Water doesn't... Glowworm Micron 40FF?

I've having a strange problem at home. If, via the Programmer, I turn the heating on the radiators come on.... [Read more]

How can i fix my alpha 240/280boiler?

The central heating is not working but the water is coming out fine. why are the radiators not heating up?

Potterton Suprima/Suprima L. constant central heating?

We cannot get our central heating to switch off unless we switch off the boiler. When calling for hot water on... [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]

how can i recharge the heating system on worcester-bosch 30si?

Bled radiators and the pressure fell in the boiler and now there's no heating or hot water! How can we recharg... [Read more]

c/heat blr netaheat mk2 10/16 not heating radiators?

my mother has a c/heat blr netaheat mk2 10/16 which heats up the water but has stopped heating the radiators. ... [Read more]

how can i fix my heating system?

in an attempt to take the radiator off the wall we broke the opposite end of the thermostat valve,we turned th... [Read more]

Ideal ISA 30 boiler is it capable?

Is this boiler capable of heating 18 radiators and hot water to 3 ensuites?

why does my boiler heat the radiators but not the water?

my combi boiler is heating the radiators but the water is always cold.it clicks on as if its going to start up... [Read more]