Search results

hey thanks TTC, your right about the accelerator heater. But still can't see how to wire the terminals. The boiler has FR and FS allocated for the frost stat so I assume one of them is live (FS ?). With there being only 3 terminals on the stat I can't see how to supply the heater and make the...

I have just moved into a house thats fitted with a Greenstar 25Si central heating boiler thats about 5 years old. I'd like to fit a frost stat because I'm away for weeks at a time and like to bring the heating on automatically when the temperatures tumble. The diagram for the boiler shows a...