Temperature, Mechanical, 24 to 277Vac, SPDT, Open High (R-B), Opens Low (R-Y), Automatic Reset, 100 to 240 degree F Setpoint Range, 6 to 24 degree F Adjustable Differential, Hot Water Immersion Temperature Control with 1/2" NPT Well Connector with 8' Capillary and Convertible Range Adjuster