This universal Honeywell wiring centre has been designed to simplify the wiring of Sundial Plan central heating installations in conjunction with the numbered wiring diagrams provided in the Honeywell Wiring Guide. For use with any 5 amp rated wiring application with C, S and Y plan systems, it has clearly labeled single terminal connections. Provision is made for basic and pump overrun boilers.
Dedicated terminal block for each system component
One wire per terminal connection
No wiring diagram or additional instructions required