Brand new, without manufacturers box Dayton 2E398  Indoor/Outdoor Hot Water Control, 

Contact Current Rating @ 120 VAC 14 Amps, Contact Current Rating @ 240 VAC 7 Amps, 

Differential 10 Degrees Fahrenheit, Switch Action SPST, 

Temperature Setting Range 80-250 Degrees Fahrenheit, 

Height 9 Inches, Width 3 1/2 Inches, Depth 4 Inches

Cuts Fuel Costs and Provides Closer Temperature Control, Increases/Decreases Frequency of Burner Operation to Maintain Proper Balance Between Boiler Temperature and Outdoor Temperature.

Includes Outdoor Sensing Bulb with 30 Feet Long Capillary and Indoor Insertion Bulb with 15 Feet Long Capillary