37C72U 110N for natural gas heaters
For replacing standard gas water heater controls with built in energy cut off
Automatic shutoff of pilot and main gas if pilot fails
1/2 inch NPT inlet x 1/2 inch inverted flare outlet
3/4 inch NPT mounting, 1-1/4 inch shank length, 4-1/2 inch bulb insertion length, 70°f to 160°f range