Pentair MiniMax 150 Degree Hi-Limit Thermostat | 471694

This is the 150 degree high limit used in the Mini Max NT & CH heaters this threads into the top of the main header. There is also 115 degree high limit which looks exactly the same except for the label # 6272-160 the threads are standard 1/4" NPT these measure about 1/2" diameter at the end the hex head size used on the top of the brass portion is 1" markings: white label with 471694