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a dedicated bi-flow model should be used
The assembly is housed in a NEMA 4X enclosure
significant rust scaling
minimizing unnecessary service calls for minor level fluctuations
Crown Engineering 10010 Coupler 319847-401 a dedicated bi-flow model shouldThe Crown Engineering 10010 Coupler is a professional grade Spiralink pump coupler designed for high torque hydronic heating systems. Specifically engineered for 1 12 to 1 3 HP motors, it features a unique single spring spiral design that provides 3 dimensional flexibility to compensate for shaft misalignment between the motor and the pump head. Unlike older, multi part "fly away" couplings, this one piece HVAC pump coupling eliminates friction