How to mend ... Thermostat Radiators Hot

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]

Potterton Netaheat - no heating without hot water?

Boiler will only fire up when "hot water" selected on controller (EP2002). When hot water is on, radiators al... [Read more]

I turn my heating to OFF however the radiators are still getting hot?

I have recently turned my central heating on for the first time of the Winter. It worked fine. However I have ... [Read more]

vaillant ecoTEC plus 428 displaying fault 98?

Hi - We cannot get the central heating to work however the hot water and underfloor heating in the kitchen is ... [Read more]

Vaillant Ecotec plus 824 with no central heating?

Please help!! We've been in this house for almost a year - so I'm not sure when the boiler was installed bu... [Read more]

why is radiators hot when only water is on..HELP?

the boiler is a micron glow worm and timer is lifestyle model LP522..When i switch water on the radiators get ... [Read more]

Ravenheat CSI 120T Nox: Hot water on but no heating?

How can I get the heating to come on? The hot water works, the thermostat clicks, but no heat is coming throu... [Read more]

baxi bermuda 552 boiler?

1/ pilot light stays lit ok .flame is blue ans about 20mm long. 2/ when heat set on boiler thermostat,boiler ... [Read more]

How to fix my towerstat RSD thermostat?

Hello My radiators were not getting very hot so I looked at my thermostat and noticed that is wasn't working ... [Read more]

How do I fix my RDH10RF thermostat?

I'm guessing that's what has broken anyway. The hot water is being heated but my radiators aren't turning on a... [Read more]

Baxi solo3pfl 50 radiators heating when system turned off?

Please help My central heating system seems to have a mind of its own. The radiators come on, often in the ... [Read more]

1980's Potterton boiler fires up, but radiators not heating?

My old boiler, regularly serviced, fires up, but the radiators don't get hot and I don't think the water is ci... [Read more]

Mid Position Valve (Drayton)?

Hi, My problem is with my central heating and hot water system. This is a long one! When I select just h... [Read more]

How can i get the radiators and hot water working after buying gas?

I have a Vokera compact 25 using an Altech stat. I just bought credit on my gas after running out of gas compl... [Read more]

Can I fix my boiler or do I need to call an engineer?

I have a Potterton 80E combi boiler. It sprang into action pumping out lots of heat from the radiators despite... [Read more]

Why re the upstairs radiators warm when only the hot water, NOT the heating?

Our boiler provides either hot water, or central heating, or both. Since a new radiator was fitted upstairs, w... [Read more]

Glowworm Fuel Saver F?

Now the weather is warmer I have turned the heating off but still got the water coming on for an hour in eveni... [Read more]

Isar HE30 combi boiler?

Have a problem with my boiler, its been ok for the three years I have had it, but lately when I have a shower ... [Read more]

Immersion heater water luke warm at best?

Hi, We have an old (1970/80's) heating sytem. We have a Concord boiler which feeds the radiators and central h... [Read more]

no hot water but radiators work ok?

Hello. We have a Ravenheat csi 85 - csi 85t boiler. there is no hot water unless radiators are on. on a earlie... [Read more]