Jacuzzi / Sundance Spas 6560-860 Flow Switch W 3/4" Chamber, 3/4"bx3/4"bx3/8"b Tee, 2P, Generic, OEM

Harwil Q-12DS-C2/SUND860 flow switch designed for Sundance spa systems from 1999 to present. Features a transparent tee with 3/4" barb connections and 3/8" side barb for reliable water circulation monitoring. Compatible with 2-pump and 3-pump configurations, plus 2001+ 1-pump Capri systems. Fits Sundance 800/850/880 series, Sweetwater, Portofino, and J-300 LCD models (2002+). If your spa displays a flashing or solid "Flo" error code, this replacement switch may resolve circulation issues caused by defective flow detection. Ensure proper filter maintenance and pump function for optimal performance.

Reliable Harwil flow switch designed for residential and light commercial pool and spa equipment. This compact flow sensor features a 3/4 inch chamber and ships with a 3 4 x 3 4 x 3 8 b tee for inline installation. The device provides a 2 pole electrical connection for integration with pool automation, heaters, pumps, chlorinators and ozone systems.

• Key features and benefits
• 3/4 inch flow chamber for standard return and suction lines
• Includes 3/4 x 3/4 x 3/8 barb tee for quick inline installation
• 2 pole electrical connection compatible with most control systems
• Compact footprint for tight plumbing runs
• Designed for reliable flow detection and automatic equipment control

Installation notes and compatibility

• Install on a straight section of pipe downstream of the pump and upstream of equipment requiring flow confirmation
• Provide recommended straight pipe runs upstream and downstream for best performance as required by most flow devices
• Works with standard 3/4 plumbing and can be adapted using common fittings for other pipe sizes

Maintenance and support

• Inspect periodically for debris that can impede the paddle or sensor
• Electrical wiring should be performed by a qualified technician
• For warranty and technical support consult Harwil or your equipment supplier

This flow switch is an economical replacement option for pool and spa equipment that require dependable flow monitoring and control. The simple mechanical and electrical design makes it easy to integrate into existing systems and automation panels.

If you need help confirming compatibility with your system provide pump model and piping details and our team can assist with fit and installation guidance.