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i think i have a mid position, pumped system. the pump (danish - gronfos, i think) is with the cylinder (this has a thermostat) in the first floor airing cupboard. while i also have a boiler(best) in the garage. i also have a room thermostat in the hallway (fitted in series with the pump - i...

having just moved into a new house i have decided to replace my switchmaster programemer (that was falling off the wall). i ve bought a drayton SM2 programmer, which also has a 24 timer, with on,off,once or twice setting for both HW and CH. i was going to just change over the wiring for the...