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B&G LR Series


Oil Rotor Circulators

The Series LR is a flanged in-line system lubricated circulating pump designed specifically for quiet operation in closed loop systems. The Series LR is available in cast iron body construction for hydronic heating systems or bronze body construction for potable water applications.


Documentation: B_G LR Series Pumps.pdf


Part No. Qty Unit Price
Cast Iron ↓
106507 LR-20WR (less flanges) $207.90
Bronze ↓
106514LF LR-15BWR (less flanges) $320.10
B&G Isolation Flanges

Can be used with most circulators, including NRF/NBF/SSF wet rotors (except NRF-45, NBF-45),

Series PL’s, Series 100, HV, PR, LR, Ecocirc and other manufacturers’ pumps.

101221LF 3/4" NPT x Flange (set of 2) $44.88
101222LF 1" NPT x Flange (set of 2) $53.46
101223LF 1-1/4" NPT x Flange (set of 2) $75.24
101241LF 1-1/2" NPT x Flange (set of 2) $89.76
101226LF 3/4" SWT x Flange (set of 2) $44.88
101227LF 1" SWT x Flange (set of 2) $53.46
101228LF 1-1/4" SWT x Flange (set of 2) $75.24
101243LF 1-1/2" SWT x Flange (set of 2) $89.76
Check-Trol Isolation Flow Control Flanges

Can be used with most circulators, including NRF/NBF/SSF wet rotors (except NRF-45, NBF-45),

Series PL’s, Series 100, HV, PR, LR, Ecocirc and other manufacturers’ pumps.

101231LF 3/4" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $56.43
101232LF 1" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $67.32
101233LF 1-1/4" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $89.76
101245LF 1-1/2" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $96.36
101236LF 3/4" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $53.46
101237LF 1" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $67.32
101238LF 1-1/4" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $89.76
101247LF 1-1/2" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $96.36

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