check power to/from
room stat
& timer [CH ON]
sending power to boiler pump & motorised valve
manwithnoname
May 2012
its a Glow Worm Micron 50ff. think its a two way motorised switch. pump (three speed) is set to two. anything else i can provide?
JD
May 2012
Would help you a lot more, if you gave the type make model etc of boiler. From what you have said, Not a combi, BUT still a lot of different systems about.
LOTS more info needed
SD
May 2012
Automatic Answer
While you wait for answers, we may have found some information which could help you.