The Armstrong 4280 End Suction HVAC Pumps is a base-mounted end-suction horizontal pumping unit with integrated intelligent controls for easier installation and superior energy performance. Saves up to 75% in energy over comparable traditional constant speed or variable frequency operated pump installations. Units up to 10hp (7.5kW) include integral vibration isolators.

Applications: HVAC-system pumping and control; general purpose pumping; industrial/ process pumping and control (water or glycol based).

Power range: 1 hp to 10 hp (0.75 kW to 7.5 kW)

Size: 1.25″ to 6″ discharge (32 mm to 150 mm)