0613-421009 also known as 0613-421001 

4.0KW Heater Assembly Flo Thru Gecko 2" x 15" Heat.Wav for In.YJ

  • This heater was specifically made for in.yj control systems for spas and hot tubs, this Gecko heater comes with built-in flow sensor and temperature sensor as well as its connecting cord.

    Replacement for the following skus:
  • 0613-421001, 0613-421009, 390523, 0613-421001, 2-00-7026, GK0613421009