Balboa Temp Hi Limit Sensor 30296 Hi-limit 1-1/2 Inch Bulb 1/4 Inch Dia 96 Inch Wire

Balboa Water Group Non-M7 Temp & Hi Limit Sensors With 4 Pin Connector.

30296 Temp/Hi limit sensor assembly, Hi-limit: 1-1/2" bulb length, 1/4" dia. 96" wire length, Temp: 2" bulb length, 3/8" dia. 96" wire length, 4 wire, 4 pin connector

30296KIT or 30296

Need a sensor mount for the temperature sensor? Depending on previous sensor mount type, see/compare:
30388gry in gray or 25255-007-000 in black, or M7 sensor mount 52560.  
If using 52560, washer can be removed from old sensor as needed.