Honeywell Aquastat Control, 3/4-14 NPT Well Spud, mV: 0.25 A at 0.25 to 12 VDC, Full Load: 8 A at 120 VAC, 5.1 A at 240 VAC, Locked Rotor: 48 A at 120 VAC, 30.6 A at 240 VAC Contact, SPST, Liquid Filled Bulb Sensing Element, Breaks on Rise Switching Action, Horizontal Mount, 110 to 220 deg F Low, 130 to 240 deg F High Limit, 150 deg F Maximum at Switches, 265 deg F at Sensing Element, 10 to 25 deg F Adjustable Low, 10 deg F Fixed High Limit Differential, 0 to 95% RH Non-Condensing Humidity, 4-1/8 in W x 3-7/8 in H x 2-3/4 in D