Sundance/Jacuzzi Flow Switch 3/4″ with Cable (2001–2016) – part # 2560‑040

This 3/4″ flow switch (part  2560‑040) is an OEM safety component for Sundance and Jacuzzi spas from 2001–2016. It ensures that the heater activates only when water flow is present, preventing dry-fire damage. The switch includes a 3/4″ slip tee and pre-installed 2‑pin cable. Easy to install and replace, it’s a common fix for heater or FLO errors on the topside panel.