How to mend ... Hot Water Boiler Thermostat

Remeha Avanta Plus not not activating heating?

I have just moved in to a new property with an Avanta Plus Combi Boiler. It works fine for heating the Hot Wat... [Read more]

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]

boss therm bps242rf Thermostat is not switching on my central heating?

After downloading the manual online (2 basic pages) I am none the wiser. Inside the Thermostat back cover are ... [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]

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 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]

My heating does not come on - no communication between boiler and thermo?

My heating has not come on today. This has happened before about a year ago and I called the plumber who inst... [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]

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]

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [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]

no hot water or heating even though boiler fires up?

When I turn on my hot tap the boiler fires up but the water does not get hot, when I turn on thermostat the bo... [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]

Replacing LP112 Programmer?

I'd like to replace my LP112 Programmer & TS 142 mechanical roomstat with something more accurate and with opt... [Read more]

Hot water but not central heating . . ?

I have just moved into a flat which has a Sabre 29HE Plus combi boiler. It is heating the water but when I sw... [Read more]

Ferroli HE31C - Hot water but no heating?

There is an error code D2 on the boiler and no matter what I try I can't make it go away. I've tried turning i... [Read more]

worcester 28cdi combi boiler?

The hot water from my worcester 28cdi combi boiler doesn't get hot enough even with the thermostat turned to m... [Read more]

Ravenheat RSF820/20T fails to heat water?

Hi Folks, Our RSF820/20T has just about given up giving us hot water :( The closest we can get is luke warm... [Read more]