Greenheck 301772 Motor 320819-301 All ZD series dampers are

All ZD series dampers are manufactured 1/4" undersized to ensure a proper fit without binding in standard rectangular ductwork

Proper installation preserves the integrity of the blower assembly and maintains the calculated CFM required for safe equipment operation

and 1-1/4" NPT Float and Thermostatic (F&T) steam traps

Durable Construction: Manufactured with high-grade steel to resist oxidation and heat stress

no-guesswork assembly

Greenheck 301772 Motor 320819-301 All ZD series dampers areThe Greenheck 301772 Motor is a high performance direct drive blower motor specifically engineered for continuous duty in industrial and commercial ventilation systems. This 0. 167 HP HVAC replacement motor operates on a standard 115V single phase power supply at 60Hz, pulling approximately 2. 7 Full Load Amps. With a synchronous speed of 1200 RPM and a NEMA 48 frame, it serves as a precise OEM solution for Greenheck roof mounted exhaust fans and