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Series 100 circ tp new circ

Wayco Wayne_2
Wayco Wayne_2 Member Posts: 2,479
Ran into an old radiant floor that had 3 zones served by an old B & G series 100 that had not been oiled in a dogs age. I want to replace it with a new circ that does not need oiling. What is a similar model that has the ceramic bearings? BTW the radiant floor is old 1.25 pipes through concrete. Not much resistance.


  • Nick Ciasullo
    Nick Ciasullo Member Posts: 44
    two basic choices

    You can either run with a permanently lubricated pump, the smallest of which is (in B&G) the PL-30.  After that, you are looking at the wet rotor pumps.  If you want to duplicate the pump curve as closely as possible, your choice is the NRF-33.

    Nick Ciasullo

    R. D. Bitzer Co (B&G Rep)
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