Dial 2-Speed 1/2 HP 115- Volt Permanently Lubricated Evaporative Cooler Motor The Dial 1/2 HP Evaporative Cooler Motor is built for reliable performance in 115-Volt evaporative coolers. It can be used in a new cooler or as a replacement motor for an existing unit. When selecting the HP for an evaporative cooler motor, always follow the cooler manufacturer's recommendation.2 speeds (1140 and 1725 RPM) allow you to control the comfort level115-volt 1/2 HP motor provides reliable power for cost-efficient coolingResilient end rings ensure a secure fit into the cooler's mounting bracketCan be automatically controlled with a cooler thermostat or with manual wall switch (both sold separately)Permanently lubricated ball bearings ensure against over-oilingMotor terminals are easily accessible for connecting the motor cordCorrosion-resistant steel construction for durability and long lifeAutomatic thermal overload feature protects against overheating Features Automatic thermal overload feature protects against overheating Corrosion-resistant steel construction for durability and long life Permanently lubricated ball bearings ensure against over-oiling Motor terminals are easily accessible for connecting the motor cord Can be automatically controlled with a cooler thermostat or with manual wall switch (both sold separately) USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.