Potterton Thermistor 404513
This is used on Envoy 30 to 80.Envoy System 30 to 80.
Envoy Flowsure and Flowsure +
Ref: 404513
Potterton Temperature Thermistor 404516/8404516
This is used on the Suprima 30 to 100. Suprima 30L to 100L
Ref: 404516
Potterton Thermistor 1MEG OHM 404524/8404524
This is used on the Kingfisher MF RS40 to 100. Kingfisher MF CF40 to 100
Ref: 404524