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Hi, if like to add a destratification pump to my Telford invented horizontal cylinder so that I can heat more water using surplus solar with the top mounted immersion heater. I can fit a tee to the outgoing 22mm hot water with non return valves to the incoming cold supply. Can anyone...

Possibly a dumb question, but is is compliant to put an IP rated lightswitch in a bathroom, e.g. IP66 outdoor lightswitch? Presumably the issue is condensation rather than wet hands or splashing? Are IP rated lightswitches condensation proof? Presumably pull cord switches are not condensation...

Hi, I have a new installation of an Air Source Heat Pump (Grant UK Aerona), and a horizontal Tempest 200l pressurised cylinder. It has a single immersion heater, which is controlled by a Timeguard FST77 7 Day Fused Spur Timeswitch, and the whole system is controlled by a ESI ESCTD Mechanical...