Thorn DIA Thrust plate 10/12423 main myson
This is used on the Bristol Basic. Mersey Basic (later production) Medway Basic (later Production)
Avon (water Heater). Trent Thermo (later Production)
Ref: 10/12423
Thorn Diaphragm 10/17467 main myson
This is used on the Medway Super and Thames Thames
Ref: 10/17467
Thorn Diaphragm 10/12460 main myson
This is used on the Medina Delux. Mersey Basic. Medway Basic. Medway R. Avon. Trent.
Ref: 10/12460
Thorn Diaphragm 10/17549 main myson
This is used on the Mersey Super ONLY
Ref: 10/17549