Pilot Valve, Application Furnaces, For Media Liquid Propane, Liquid Propane/Air, Natural Gas, Heating Capacity - Maximum 150,000 BtuH, Includes Thermostat Mechanical Thermostat Not Included, Manufacturer Series H43, Operating Temperature - Maximum 250 Degrees F, Operating Temperature - Minimum 32 Degrees F, Overall Depth 2 1/8 in, Overall Height 2 3/8 in, Overall Length 4 1/4 in, Port Connection Size 1/2 in