Hi thanks for the reply my boiler is a glowworm fuelsaver mkll it has a connection block with the twin and earth and the single live and single neg have a yellow and white wire goin into cable that also has the normal brown live ,blue neg and earth that all go into boiler will this programmer...
Hi I was told I could use a siemens RWB29 as a digital replacment for my old and very noisy switchmaster 300.
I followed new diagram and put mains feed (3amp fused) into live I have a twin and earth and a single live and a single neg connection from glowworm boiler down stairs, I put twin and...