The 34874 flow switch is a genuine replacement component designed for Watkins and Tiger River spa systems. It monitors water circulation within the system and ensures that critical components, such as the heater, only operate when proper flow is detected—helping maintain safe and efficient spa operation.

• Watkins / Tiger River Flow Switch 3/4" Barb
• Accurate Flow Detection — Confirms adequate water movement before allowing the heater to engage, protecting against overheating.
• 3/4" Barb Connection — Designed to fit standard 3/4" flexible tubing for quick and easy installation or replacement.
• Durable Construction — Built to withstand the hot, wet, and chemically treated environment inside a spa system.
• Essential Safety Function — Automatically interrupts operation if flow is insufficient, preventing potential damage to internal components.
• Versatile Application — Used across a range of Watkins and Tiger River spa models requiring a 3/4" barb flow switch.
• Compatibility — Fits various Watkins / Tiger River systems. Always verify hose size, connection type, and part number before ordering to ensure proper fit.
• Free shipping
• Part No.: 34874

Why choose this product?
This flow switch is critical for maintaining the safety and performance of your spa. Replacing a faulty unit restores proper heater operation, prevents flow-related errors, and helps extend the lifespan of your equipment.