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+--- Thread: expansion or drain off for home heating system (/showthread.php?tid=273709)
expansion or drain off for home heating system - Fritz - 01-06-2023
15-year-old Bobcat install. 3 zone. all Slant Fin.
The sump pump that the boiler run off goes to is pumping about 5g/week.
Is that normal or should I be looking at getting someone in to further check.? The expansion tank was recently checked and it's OK.
A prv in the return (I think) was replaced at the same time.
And if so, what are they checking for?