The Emerson 48 Y-Frame Thru-Bolt motor is a powerfully designed motor for your pool or spa. Its capacitor start design runs on high efficiency and performs continuously. Its rigid base and thermal protection provides additional support giving you long lasting performance. The Emerson 48 Y-Frame Thru-Bolt motor features a smaller 48 frame size and has an open drip proof enclosure that keeps water from flowing into the motor. It also has a rear mounted fan that keeps the motor cool during operation. The Emerson 48 Y-Frame Thru-Bolt is a single speed pool and spa motor with full-rated 2 1/2"HP for reliable power.