Potterton Thorn Apollo/Ultra Pump overrun thermostat. Part number 402S088. BGC No. 384208. New in original packaging.
Potterton Interpart pump overrun thermostat (lynx) interpart part no 404497
BAXI 10/10662 SPARK ELECTRODE MYSON MAIN POTTERTON THORN D9 - NEW
Genuine Vokera Pump Overrun Thermostat (4931) - OBSOLETE PART
Glowworm boiler Pump Overrun PCB 360150
Mains Switch RF Solution Wireless Pump Overrun Switch