Furnace Control Control - replacement for Rheem 62-24140-04 control boards Specifications: Control Voltage: 24 VAC (18-30 VAC), 60Hz Line Voltage: 115 VAC, 60Hz   Timing: - Pre-Purge: 30 seconds - Trial for Ignition: 7 seconds - Retries: Two groups of two, 30 second delay within the group, and 3 minute delay between groups - Lockout: 1-hour - Post-Purge: 90, 120, 160 and 180 seconds   Inputs: - Power: 24 VAC and COM - Thermostat Interface: R,W, Y, and G - System Switches: Vent pressure and limit switches (main and over-temperature switches in series) - Flame Sensing - Heat Blower OFF Delay (miniature slide switch set)   Outputs: - Spark - Gas Valve: GV - Inducer Draft Motor: IDM - Blower Motor: FAN, COOL and HEAT speeds - Electric air Cleaner: EAC - Humidifier Relay: HUM - Heat/Cool Relay: H/C   LED Indicators: - Power, Green LED: PWR - Status, Green LED: OK - Flame Status, Yellow LED: FLAME   Patents: - #6,222,719: Ignition Boost - #5,917,691: Fail Safe Relay Driver