Waterway VIPER Pump 3711621-1V

PUMP DISCONTINUED BY WATERWAY 3711621-1V
DIRECT REPLACEMENT PART NUMBER MV-40226-25 (See Below)

The Waterway VIPER 3711621‑1V is a powerful 4 HP pump engineered for superior water circulation and long‑term durability. Built with Waterway’s high‑efficiency wet‑end and motor design, the VIPER delivers strong, consistent flow that keeps your pool clean, clear, and perfectly filtered throughout the season.

Ideal for new installations or as a direct replacement for older pumps, the VIPER series is known for its quiet operation, rugged construction, and easy serviceability — making it one of Waterway’s most trusted pump options.

Key Features

• High‑Flow 1 HP Motor Designed for strong, efficient circulation in above‑ground pool systems.

• VIPER Wet‑End Design Optimized for improved water movement and reduced hydraulic resistance.

• Quiet, Smooth Operation Engineered to minimize noise and vibration for a more enjoyable backyard experience.

• Durable, Corrosion‑Resistant Housing Built to withstand harsh outdoor conditions and chemically treated water.

• Easy Installation & Maintenance Standard fittings and a straightforward layout make setup and servicing simple.

• Reliable Daily Performance Keeps water moving effectively for cleaner, clearer pool water.

• Model: 3711621‑1V#

• Horsepower: 4 HP

• Voltage: 230V

• Speed: 1 Speed

• Amp Draw: 12 amps

• Suction Size: 2-1/2"

• Discharge Size: 2-1/2"