- 30 Nov 2008
- Reaction score
Can anyone confirm if the pump overrun should not allow the pump to stop when all heating has been satisfied and then start about 2 seconds later? I understand that the pump overrun stat is active if the temp in the boiler is above 80 degrees. My boiler is shutting down then around 2 seconds later the pump overrun stat kicks in but occasionally it is not "quick enough" before the overheat stat kicks in. Or is the symptoms pointing to another issue elsewhere (scaled/sludged H/E)?