Snap Action Thermostat, Type Heat Only, Control Range 50-90 Degrees Fahrenheit, Anticipation Range Heat Adjustable 0.15 to 1.0 Amp, Switch Action SPST, Sub Base Not Required, Height 4 1/2 Inches, Depth 1 1/2 Inches, Width 2 3/4 Inches, Color Beige, Application Gas, Oil, Vertical