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combination of an isolation ball valve and a companion flange for circulators. Allows for easy service or replacement of the circulator without the need to drain the system. For use with pump models: 100NFI, LR, NRF, PR, PL-30, PL-36, PL-55, 100BNFI, LR, NBF, PRAB, PL-30B, PL-36B, PL-55B, LR20WR, LR15BWR, NBF-12F/LW, NBF-22,NBF-33, NBF36, NRF-22, NRF-9F/LW, NRF-33, NRF-36, SSF-12f/LW, SSF-22.

3/4 In. Pump Isolation Flanges (Pair) - Npt - Pkg Qty 2

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