Balboa Water Group 30337-25 Sensor Assembly with Temperature and Hi-Limit Sensor Temp &#47; Hi Limit Sensor Assembly 1.5 in. Bulb Length&#44; 0.25 in. Diameter &#40;Hi Limit&#41; 2 in. Bulb Length&#44; 3&#47;8 in. Diameter &#40;Temp&#41; 29 in. Wire Length &#40;Hi Limit&#41; 25 ft. Wire Length &#40;Temp&#41;