when I try to override temperature i.e reduce temperature it reverts back ?

Remove cover off gas boiler?

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

Greenstar 24Ri boiler, fast flashing - can I reset?

One radiator in a bedroom is always cold?

Remove boiler cover?

How to fix my fireplace?

Siemens RDJ10RF thermostat problem?

Worcester boiler dripping water?

Vaillant ecotec 831 plus?

How do i stop the time from flashing on the Siemens RDJ100RF?

Boiler cycle?

Oil fired boiler thermostat?