While you wait for answers, we may have found some information which could help you.
Success
Message
what is the br1 in connection with boss BPS242RF?
Help with receiver please?
Batteries?
Boss therm bps242rf batteries?
Lost signal to receiver?
How can i fix my Boss BRTRF remote thermostat controller?
How to connect a motorised valve ?
boss therm?
Is a Boss BR1 compatible with any other brand?
Boss Therm Problem?
Boss BPS242RF controller?
boss therm bps242rf Thermostat is not switching on my central heating?