HydroQuip – Heater, Double Barrel, 4.0kW, Auto-Reset HL, w/ Sensors, W/Flow Switch – 26-C3072-5T-KF. The flow switch cable plugs into the P34 port on the IQ 2020 motherboard, where the pressure switch cord plugged in from your old heater.

Pampering yourself is easy with the 13 hydrotherapy high-powered jets. Underwater, multi-color LED light system gives you the ultimate spa experience. Energy efficient and exceeds California Energy Commission mandates for hot tub energy consumption.