929547 10/18929 Thermocouple with Nut
Potterton 929547 10/18929 Thermocouple with Nut
- Potterton Puma 80 SIT Controls
- Potterton Puma 80 Honeywell Controls
- Potterton Puma 100 SIT Controls
- Potterton Puma 100 Honeywell Controls
Part number has been replaced by 10/20370
The thermocouple is a device that is made of two different metals that produce a slight electrical charge when heated on one side.
This charge turns on an electromagnet which opens a valve and allows the water or gas to flow through.