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Hi how about a Horstman C17 as a replacement 4 the switchmaster 300 instead of the H17XL previously advised Thanks in advance lol

Could someone please advise me if a Horstman channelplus H17 XL is a suitable digital replacement for the switchmaster 300, Thanks

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...