Recent content by komakino

Ah don't worry, I'm not planning on jumping to any conclusions. Multimeter was going to be my next choice if there was no set coding pattern for heating. I need to invest in one anyway so a trip to maplin may be in order.

Thanks for the reply. Battery does seem to be the easiest option, and there is a battery version of the thermostat I was looking at. How will I tell which wire is neutral in the existing set up? I'm guessing it's blue (which seems to be looped back on itself) as from what I've seen...

Hi, We currently have a Switchmaster Sm400 timer (the kind that has water or heating AND water, but not just heating) and a Satchwell (now Sunvic) TLX2203 thermostat (analogue). The thermostat has three wires (plus earth): Red, blue and yellow. I'd like to replace this with a new seimans...