3 hours ago: Worcester 30 Cadillac combi boiler won’t fire up and the EA?

Mend Home Heating Systems

Mend Heating, Home Heating Systems
Find out how to mend it for free.

Ask Question
Mend Heating, Home Heating Systems
Find out how to mend home heating systems

Mend > Home Heating Systems

Mend Central Turn Boiler Turned

my central heating pump does not turn itself off when boiler turns off?

we have a grunfos central heating pump that does not always turn itself off after the boiler has been turned off .will sometimes run on for hours or until we physically turn off its main supply

paul milton
May 2008
If the pump is wired from the boiler it might be the pump overrun stat or PCB

dat
May 2008
Mend Heating, Home Heating Systems
Find out how to mend home heating systems

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.
Mend Heating, Home Heating Systems
Find out how to mend home heating systems