How to mend ... Thermostat Not Working

Vokera HE35 has no heating but have hot water, how can I fix this?

Our boiler is not working properly on return from holiday we found we can only get hit water & no heating. I'... [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]

Vaillant ecoTec 831 I have hot water but no heating?

Please help! Our heating has suddenly stopped working. The display shows that the internal pump is running, ... [Read more]

How to fix Siemens RDH10RF wireless thermostat?

The red signal light keeps coming on and stopping my heating coming on. We've changed the batteries and its st... [Read more]

Siemens RDH10RF wireless room thermostat not working?

My Siemens RDH10RF wireless room thermostat receiver unit does not show any lights. It was working perfectly a... [Read more]

Central heating radiators remain hot on lowest setting?

If my radiators are scolding hot on the lowest setting does this mean that the thermostat is not working

How to fix a Siemens RDH10RF wireless thermostat?

Hello, I have an RDH10RF remote thermostat for my central heating. Since I put new batteries in it doesn't see... [Read more]

potterton netaheat boiler stat?

How can I test my boiler stat is operating correctly their is no cylinder stat fitted new thermostat that seem... [Read more]

How do I change the pump on a Bahama 100?

As with most people I have become very familier with this boilers little querks. The latest problem is the wa... [Read more]

Why is my hot water working but not my heating?

I have a valliant ecomax 824/2e the hot water is working fine but i have no heating!! Timer is working fine fr... [Read more]

Worchester junior 28i hot water no heating 5 flashes in service mode?

I have a Worchester junior 28i boiler, the hot water is working but not the heating and the green burner indic... [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]

How can I fix my potterton peforma 24 boiler?

The boiler comes on but the burner/flame light does not come on at all. The flame fault indicator also does no... [Read more]

What else can I try after resetting my Siemens RDJ10RF?

I have done the usual reset and the green light is on the receiver and the arrow is lit on the thermostat show... [Read more]

What is wrong with my central heating?

Hi My central heating and hot water will not turn on when requested. The electronic time is set to 24 hrs and... [Read more]

LCD display fault?

RF601 wireless thermostat LCD display is only parts of it is working can this be fixed, we have to guess the t... [Read more]

Broag remeha 24v boiler working perfectly -but?

The boiler fires up when it should with the programmer, everything fine until programmer times out but electri... [Read more]

flamingo boiler,heating good but water in hot tank not ?

cannot get hot tank water warm enough,boiler thermostat seem to be working well as heating good.any though... [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]