The Waterway Viper Side Discharge Wet End 310-0180 is a complete replacement wet end assembly designed for high-performance spa pumps. Built for the Waterway Viper series, it forms the hydraulic portion of the pump, housing the impeller and directing water flow efficiently through the system.

• Waterway Viper Wet End 2.5" x 2.5" – Side Discharge
• High-Flow Design — Engineered with a large 2.5" intake and 2.5" discharge to deliver significantly higher water flow compared to standard spa pump wet ends.
• 56 Frame Compatibility — Designed specifically for 56-frame motors and commonly used with 4.0HP–5.0HP pump configurations.
• Complete Wet End Assembly — Includes volute, impeller, shaft seal, wear ring, faceplate, O-rings, and hardware for a full rebuild or replacement.
• Side Discharge Configuration — Allows flexible plumbing orientation and can typically be rotated (e.g., 90°) for installation versatility.
• Durable Construction — Built to withstand high flow rates, heat, and chemically treated spa water environments.
• Large Threaded Connections — 2.5" MBT fittings (approx. 3-5/8" outer thread diameter) for secure, high-capacity plumbing connections.
• Compatibility — Fits Waterway Viper 56-frame spa pumps only. Not compatible with 48-frame or certain LX-style motors—always verify motor frame, horsepower, and connection size before ordering.
• Designed for high volume, low pressure systems. The ideal choice for swim spas. 
• Free shipping
• Part No.: 310-0180

Why choose this product?
This wet end is essential when repairing or rebuilding a high-performance spa pump. Replacing a worn or damaged wet end restores optimal water flow, improves jet pressure, eliminates leaks, and ensures the pump operates at peak efficiency for a powerful and reliable spa experience.