Large 5/8" Orifice: Optimizes flow capacity (Cv) while maintaining tight shut-off capabilities in a normally closed configuration

Constructed from reinforced steel

making it a drop-in replacement for a variety of air handlers and furnaces across the Heil

The Modine 9F0701080000 is an industrial-grade explosion proof motor engineered specifically for hazardous environment ventilation in Modine unit heaters

unusual humming noises

Crown Engineering 10010 Coupler 322838-754 Large 5/8" Orifice: Optimizes flowThe 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