Wiring help or diagnosis. Our boiler pump does not turn off. Boiler:Potterton Promax SL. HW Zone valve was replaced, so that may be suspect area?. Additional issue is that CH doesn't turn
Most Common Central Heating Pump Problems & Their Solutions
Boiler not working. How to check heating pump. - YouTube
A RATED CIRCULATING PUMP FOR MULTI THERMAL STORE AND ELECTRIC COMBI BOILER Buy online
Boiler Not Working? Common Problems & Solutions - iHeat
Fixing Central Heating Pump Problems: Explained & Solutions
Boiler Pump Issues & Solutions - TM Hughes & Son
Boiler pump not working? How do I know and how to fix it?