Roger Mills (aka Set Square) wrote:
In an earlier contribution to this discussion,
The Natural Philosopher wrote:

I think that if I were to do a rad installation again, I'd go for an
electrical stat in every room, with a motorized valve for every room,
and connect the switches all in series to control the boiler - no
master stat.. :-)

I presume you mean *parallel*? If wired in series, the boiler will only fire
when *all* rooms are cooling for heat simultaneously. Saves on gas, I
suppose. g
Ooops. Mea culpa!

yup parallel the room stats and put them in series with the timer..