The 3/4" Barb Watkins/Tiger River Flow Switch (34874) is a genuine replacement component designed for Watkins and Tiger River spa systems. It monitors water circulation and ensures critical components, such as the heater, only operate when proper flow is detected.

Specifications:

• OEM part number: 34874
• Manufacturer: Watkins Wellness
• Compatible with: Watkins and Tiger River spa systems
• Connection: 3/4" barb, fits standard 3/4" flexible tubing
• Function: Accurate flow detection - confirms adequate water movement before allowing the heater to engage, protecting against overheating
• Construction: Durable, built to withstand the hot, wet, and chemically treated spa environment

Fits/replaces:

• Watkins and Tiger River spa systems requiring a 3/4" barb flow switch
• Direct OEM replacement for part 34874

Common signs you need this part:

• Heater fails to activate despite adequate water flow
• Flow-related fault codes on the control panel
• Spa functions interrupted intermittently during operation

Returns & installation: Please verify hose size, connection type, and part number before ordering to ensure proper fit. Installation should be performed by a qualified spa technician with power and water disconnected.

FAQ

Q: What does this flow switch protect against?
A: It automatically interrupts operation if water flow is insufficient, preventing potential overheating and damage to internal components.

Q: What connection size does this switch use?
A: It uses a 3/4" barb connection for standard flexible tubing.