YJ, 4KW, 2”, FLOW SENSOR, TEMPERATURE PROBE, 4FT CABLES. Electric heater 2”, 4kW for in. Track Page Views With. Auctiva’s FREE Counter. The item “Spa / Control Gecko Heater Assembly HEAT. WAV IN. YJ 4.0KW 2 WITH 4′ CABLE” is in sale since Friday, April 5, 2019. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs”. The seller is “a-1spacontrol” and is located in Riverside, California. This item can be shipped to United States.