The A.O. Smith Two Compartment NEMA C-Face Pool Filter Motor is a hard-working and energy efficient motor designed to meet demands of the pool environment. It has a threaded shaft that allows for convenient and direct mounting. With horsepower ratings ranging from 3/4-1/10HP to 1-1/8"P, the Two-Compartment NEMA C-Face Pool Filter Motor provides long lasting and trustworthy performance. The Two-Compartment Square Flange Pool Motor does not include a hi/lo switch but an end cover and switch assembly may be purchased separately for remote operation. Withstanding ambient temperatures up to 50°C and equipped with an Auto Protector and sealed ball bearings, the Two Compartment NEMA C-Face Pool Filter Motor provides long lasting operation. This pool filter motor meets California Energy Commission Appliance Regulations 2008 for ultimate efficiency.