I have an old Sangamo 410 (F4) programmer that is worn out. I bought a Salus EP200 (Digital 2 Channel) programmer, but just cannot get the boiler to work with it.
The old Sangamo has 8 connections on its backplate as follows:-
1 - Connected to ?(A) also Bridged to 6
2 - not used
3 - Mains -...