Temperature Controller; Bulb Type Copper; Voltage Rating 120 to 240 Volt AC; Minimum AC Voltage Rating (V) 120 Volt; Maximum AC Voltage Rating (V) 240 Volt; Minimum DC Voltage Rating (V) 0.25 Volt; Maximum DC Voltage Rating (V) 12 Volt; Operating Temperature 130 to 270 Deg F; Size 2" Width x 2-1/8" Depth x 5-5/8" Height; Mounting Horizontal/Vertical; Application Boiler, Storage Tank, Duct; Approval UL, CSA, AGA; Contact Rating 1.3 Amp at 240 Volt AC, 2.6 Amp at 120 Volt AC (Full Load), 7.8 Amp at 240 Volt AC, 15.6 Amp at 120 Volt AC (Locked Rotor), 0.25 Amp at 0.25 to 12 Volt DC; Operating Pressure 255 PSI (Immersion Well), 200 PSI (Direct Immersion); Switching Action SPST; Bulb Size 3/8" x 2-7/8"; Capillary Length 3"; Packaging Quantity 100; Weight 1.2 Lb