Nothing's easy is it! Thanks very much for all your input. Sounds like I need to get a thermostat then to complete the set and hopefully it'll all start working as expected.
I'm going to continue testing it today to see if I can get it to work when the Salus is set to "On" just with the timer. There's no thermostat - only the heating and water temp controls on the front of the boiler
Thanks for the quick replies. In that case I'm not sure what the Timeguard is supposed to talk to - the boiler or the thermostat? If it's the boiler then I would expect it to still turn the boiler on regardless of the thermostat (maybe I'm wrong), but if it's the thermostat it talks to then that...
I've recently moved into a new flat. I have a Timeguard NTT04 (timer, not thermostat) plugged into the mains to control our Worcester Greenstar Compact boiler. I've plugged all the timings into the Timeguard and the green light comes on when it's supposed to start the heating but the boiler...