Spa Flow Switch Replacement 2560-040 Q12DS-C2

A direct-fit flow switch replacement designed exclusively for Sundance, Jacuzzi, and Sweetwater spas requiring part numbers 2560-040 or Q12DS-C2. Dimensions and connector layout match OEM specifications: 3/32 inch sensing orifice, 0.85 inch hose ports, 0.4 inch freeze line port, and curled finger connectors on the insulated rubber cable. Housing is made from durable, waterproof plastic with brass internal components for stable electrical contact and thermal resilience. Clear body design supports visual debris inspection; directional arrows guide correct mounting orientation. Supports diagnostic display of FLO, FLO2, and flashing FLO alerts — fully aligned with original control board logic.