• 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

• Power: 24 VAC and COM
• Control Voltage: 24 VAC (18-30 VAC), 60Hz
• Line Voltage: 115 VAC, 60Hz
• 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)

• Spark: SE
• 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

• Power, Green LED: PWR
• Status, Green LED: OK
• Flame Status, Yellow LED: FLAME

Weight/Dimensions

• Weight: 0.6 lb.
• Height: 2.5″
• Width: 6.625″
• Length: 5.75″

Rheem: 62-24140-04