Circulator Pump Coupling Assembly
1/2" Diameter, facilitates easier starting, smoother bearing surface, specially calibrated spring assembly, less vibration, heavy duty casting, provides proper balance and equalization of torque. 81-5050 Replaces Armstrong 806026-002 and B & G 189110. 81-5280 Replaces B & G 118723. Min. Order: 1 EA
