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allowing for simultaneous heating and cooling control or multi-stage cooling configurations
When you're dealing with a residential furnace that isn’t pulling the right vacuum or is leaking condensate at the base of the cabinet
the unit is supplied with a solid tapped retainer cap and a closure plug
1875 inch bore provides a true interference-free fit
Crown Engineering 10010 Coupler 320788-702 allowing for simultaneous heating andThe 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