ST9120U1011 | Honeywell Universal Electronic Fan Timer Control Board for Gas Furnace Blower and Fan Sequencing Interface Panel Information About 20BD014A0AYNANC0

Information About 20BD014A0AYNANC0

DS3800DRFA1B1A

Part Number WS-X6148-GE-TX Subcatecory Switch Modules / Line Cards

Information About ECPNC8-23

ST9120U1011 | Honeywell Universal Electronic Fan Timer Control Board for Gas Furnace Blower and Fan Sequencing Interface Panel Information About 20BD014A0AYNANC0Description The Honeywell ST9120U1011 is a universal electronic fan timer control board designed to manage combustion blower and circulating fan operation in gas warm air furnace systems. This module provides timed control for heating and cooling fan delays while supporting optional humidifier and electronic air cleaner connections. The ST9120U1011 ensures stable sequencing performance and compatibility across multiple furnace platforms. Technical