Hayward Goldline Salt Chlorination System Flow Switch Assembly with GLX-FLO Sensor and Control Cabinet GLX-FLO Flow Switch Includes 1x GLX-FLO Pool Flow Sensor Assembly Kit. The kit includes a flow switch and cable. GLX-FLO Flow Switch monitors the flow of water through the brine system to ensure that the brine system produces chlorine after the water has flowed through the pool. Failure to properly install a flow switch can result in chlorine gas buildup in the pool plumbing system. Premium Material & Excellent Performance: GLX-FLO flow switch is made of material, resistant to breakage and wear, with a long service life. The flow sensor is sturdy and durable, effectively monitoring water flow rate to prevent chlorine buildup and protect the pool and equipment. Wide Compatibility: GLX-FLO is compatible with all Hayward Goldline salt chlorine generator systems. Replacement flow switch for use on the following chlorinators: Aqua Rite Electronic Chlorine Generators (all models), Naturesoft Water Purification System (all models), Mineral Springs (all models), Aqua Trol Above Ground Pool Automation (all -HP models), SplashCLEAR (all models except -RJ versions). Designed to fit Hayward models GLX-FLO-RP, GLX-FLO-RP2, GLX-FLO-RP3, GLX-FLO-RP4, GLX-FLO-HP, Q-12DS-C2, OPT-F/S. Color: As Shown Material: Plastic Package Contents: 1 x Flow Switch Assembly for Hayward with cable Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement tolerance is +/- 1–3 cm.