Description
The Gecko Heat.Wav IN.YJ 4KW Remote Heater (0613-421009 / GK0613421009) is a high-efficiency flow-through spa heater designed specifically for Gecko IN.YJ control systems. Featuring built-in temperature and flow sensors with a 4-foot terminated cable, this heater delivers reliable 1.0kW/4.0kW dual-voltage performance and can be installed up to 3.5 inches away from the control pack for maximum flexibility.









