The Waterway Viper 5HP 2-Speed Spa Pump (3722021-0V) delivers powerful and efficient performance for high-demand spa systems.

Specifications:

• Manufacturer: Waterway Plastics
• Motor: 5HP, 2-speed — high speed for jet power, low speed for energy-saving circulation
• Voltage: 230V
• Ports: 2.5" intake/discharge
• Construction: Durable, built for long-lasting reliability
• Part no: 3722021-0V

Fits/replaces:

• Spa systems using a Waterway Viper 5HP, 230V, 2-speed pump with 2.5" ports
• Confirm your existing pump's port size and mounting dimensions match before ordering

Common signs you need this part:

• Pump runs loud, rattles, or grinds during operation
• Reduced water flow or pressure at the jets
• Visible leaking from the pump housing or seal

Returns & installation: Pumps are electrical components and are non-returnable once opened, per our Terms & Conditions. Professional installation is recommended.

FAQ

What speeds does it offer? High speed for jet power and low speed for energy-saving circulation.

Can I return this if it's the wrong part? No — pumps are final sale once opened, so confirm compatibility before ordering.