Duo-therm sequencer for electric furnaces. Plate with 3 towers measures 4-7/8" x 2-1/8". 5 switches, 4 timings. Timings step on in 1-160 seconds, and step off in 1-160 seconds.
This is a new substitute as the original part is no longer available. The on and off timings of the various components may vary slightly from your old unit. May require drilling new mounting holes. This will work with most old electric furnaces. If you are unsure of how to rewire your furnace, contact us at info@hvacpartstore.com.
Used in the following units: 304001-1, 304001-002, 304001-004, 304001-005, 304001-006, 305001-1, 305001-002, 305001-003, 305001-005, 305001-006, 306001-1, 306001-002, 306001-005, 306001-006, 306801-005, 306801-006, 307601-1, 307601-002, 307601-004, 307601-005, 307601-006, 53536-1, 53536-2, 53542-1 & 53542-2. Model numbers before 1974 have a second '-' in the model number. Ignore all numbers after a second '-'.
Also known as part number 13-16861 & 3-13418.
Replaces the following sequencers: 3-8821-001, 3-8821-002, 3-8821-003, 3-11220, 3-11222, 3-11223, 3-11224, 3-11582, 11S245515, 11S145517, 11S1A45514, 24A16-6, 24A15-5, 24A14-10, 24A51-5, 24A52-6, 24A52-101, 24A52-109, 24A52-110, 24A56-101, 3-9271, 3-9272, 3-9273, 3-14147 & 3-14148.
To understand how a sequencer works in general, watch our video below:
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