Dial 2206 3/4 HP 2 Speed Evaporative Cooler Motor will bring cool air where you need it. Built for 115-volt evaporative coolers it can be used in a new cooler or as a replacement motor for an existing unit. It s made with durable steel and has a thermal overload feature that protects it from overheating. The two-speed design lets you choose the best level of cooling for maximum comfort. Always follow the cooler manufacturer?s recommendation when selecting the HP for an evaporative cooler motor.