You just selected:
HEATER: HEAT.WAV FOR IN.YJ, 4KW, 2'', FLOW SENSOR, TEMPERATURE PROBE, 4FT CABLES,
Code Gecko
0613-421009

HEATER: HEAT.WAV FOR IN.YJ, 4KW, 2'', FLOW SENSOR, TEMPERATURE PROBE, 4FT CABLES,
Electric heater 2'', 4kW for in.yj
You should also consider these companion products:

BUNDLE: IN.YE-5, IN.K200-2OP KEYPAD, CABLES
Code Gecko
0610-300004

BUNDLE: IN.YE-5, IN.K200-2OP KEYPAD, CABLES
BDLYJ3K300 IN.YJ-3 IN.K300 CABLES
Code Gecko
0612-300001

BDLYJ3K300 IN.YJ-3 IN.K300 CABLES
BDLYJ3K200 IN.YJ-3 IN.K200 CABLES
Code Gecko
0612-300002

BDLYJ3K200 IN.YJ-3 IN.K200 CABLES
Continue shopping