Meet the Pentair Challenger High Pressure Pump Motor (Model 354816S) — a rugged, single-speed replacement built to power demanding pool and spa applications. Rated at 2 HP and designed for 208-230 V single-phase operation, this TEFC motor delivers reliable performance and extended service life in high-pressure water loops, spa jets, and commercial circulation setups.

Designed to be a direct, cost-efficient replacement in the Challenger lineup, it fits 56-frame, square-flange mount pumps and is engineered to withstand harsh environments with its Totally Enclosed Fan-Cooled (TEFC) housing.

Key Features

• 2 HP, Single Phase, 208-230 V — strong horsepower for high-pressure applications.
• TEFC (Totally Enclosed Fan-Cooled) — rugged indoor/outdoor protection that resists corrosion and environmental damage.
• 56 Frame / Square Flange Mount — common replacement footprint that simplifies installation.
• Direct Replacement — fits Pentair Challenger High Pressure pumps and many compatible models.
• Serviceable Design — open junction box, standard wiring for rapid installation and easy maintenance.
• Architected for High Performance — meets the Challenger pump’s requirement for extra pumping power and pressure capabilities.

Ideal Applications

• High-output pool and spa systems needing a robust motor replacement, especially for older Challenger High Pressure pumps.
• Spa jets, in-floor cleaning, and waterfall returns where consistent high pressure matters.
• Professional service scenarios where replacing the motor only reduces cost and downtime.
• Outdoor pool equipment pads and corrosive environments where TEFC protection is advantageous.

Why Choose This Motor

Reliability, durability, and easy downtime reduction are the hallmarks of the Pentair Challenger 354816S. Its TEFC construction protects against corrosion and ambient contaminants, while its repair-friendly design enables quick wiring and straightforward maintenance. When you need a dependable, long-lasting solution for high-pressure pumping in pools and spas, this motor delivers the performance and compatibility you demand.

Compatibility and installation notes: This motor is a standard single-speed, 208-230 V device. Verify that your pump frame is 56 and that wiring matches your existing setup. It’s suitable for outdoor installations and can be paired with many compatible Challenger pump housings to minimize downtime.