- Microprocessor Based Fuel Type Natural/Liquid Propane Gas Ignition Trial Time 3 Second Prepurge Time 15 Second Valve Rating 1.5 Amp at 24 Volt AC (Gas Valve) Power Rating 98 to 132 Volt AC at 60 Hertz (Line) Size 4.5 Inch Length x 6 Inch Width x 1 Inch Height Temperature Rating -40 to 176 Deg F Application Furnace Approval UL (Canada and US), CSA Output Rating 6 Amp Resistive at 120 Volt AC (Igniter), 6 Amp at 120 Volt AC (Cool Blower), 5 Amp, 1/2 HP at 250 Volt AC (Heat), 2.2 Full Load at 120 Volt AC, 3.5 Amp Load Rated at 120 Volt AC (Inducer Blower) Time Delay 30 Second Heat (Blower ON), 90/120/150/180 Second Heat (Blower OFF), 1 Second Heat (Fan ON/OFF), 5 Second (Cool ON), 45 Second (Cool OFF) Relative Humidity 5 to 95 Percent (Non-Condensing) at 55 Deg C