Combi, Puma 80 100 Modulation PCB 21/18867 Permanent Pilot Electronic

Potterton Puma PCB 21/18867

For use with the following Potterton boilers:

• Potterton COMBI 100
• Potterton COMBI 80
• Potterton PUMA 100 (SIT/HONEYWELL)
• Potterton PUMA 80 (SIT/HONEYWELL)

This is a replacement for 21/18867 Potterton Puma Permanent Pilot and 21/18601 Potterton Puma Electronic

The printed circuit board or PCB is the boilers central control.

It controls and monitors every process that occurs via the switches, thermostats and sensors.

It also enforces the safety measures, making sure that the boiler ceases to function if any of the internal readings point to any fault in the boilers processes.

The printed circuit board is effectively the brain of your boiler, It is programmed to ensure everything is running as it should.