Universal electronic fan timer replaces Honeywell ST9120, ST9101, ST9141, and ST9160 models installed in gas warm air furnaces. Includes instructions and special wire harnesses for easy replacement. 

Used to integrate control of combustion blower and circulating fan operations for a gas warm air appliance.

Features:

• Replaces 40+ existing Honeywell electronic fan timers
• Instruction sheet supplies full cross reference and wiring guide
• Interface harnesses for simple conversion
• Integrates control of all combustion blower and circulating fan operations in gas warm-air appliance
• Replaceable fuse
• DIP switch selectable heat and cool delay on and off times
• LED lights for easy diagnostics
• Electronic air cleaner and humidifier terminal connections
• Continuous low speed indoor air circulation

Settings:

• Heat Fan On Delay: adj. 30, 60 sec (set at 30 sec)
• Heat Fan Off Delay: adj. 60, 120, 150, 180 sec (set at 120 sec)
• Cool Fan On Delay: adj. 4, 30 sec (set at 4 sec)
• Cool Fan Off Delay: adj. 30, 60 sec (set at 30 sec)