While you wait for answers, we may have found some information which could help you.
Click here for Central Set Work
Honeywell921?
Tybox827reset?
Can you get just a new RDJ10RF thermostat or does it have to be the set?
can i fix it honeywell st1000 ?
how often do we change the3032 battery in a digistat +2rf?
Remote timer bps242rf how does it work ??? ?