Description

Rheem ST9120U1011 Universal Electronic Fan Timer – Adjustable Heat replaces .Replaces 40+ existing 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 Continuous low speed indoor air circulation Universal electronic fan timer replaces ST9120, ST9101, ST9141, and ST9160 models installed in gas warm air furnaces