Crown Engineering 10010 Coupler 321894-709 Designed with the contractor in

Designed with the contractor in mind

verifying the amperage draw against the original specs is critical

When troubleshooting common lockout codes or erratic ignition sequences

This collar is specifically intended for 1/2" round or 3/8" square shaft adapters

This model features a 32-foot pitch and utilizes a ball bearing motor design

Crown Engineering 10010 Coupler 321894-709 Designed with the contractor inThe 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