AL Series Sequencer, field proven for controlling the operation of heating elements and/or blower motors in electric, gas or oil heat systems. This sequencer has 2 switches & turns on at 30-90 seconds, and off at 1-30 seconds.

AL Series Sequencer, field proven for controlling the operation of heating elements and/or blower motors in electric, gas or oil heat systems. This sequencer has 2 switches & turns on at 1-20 seconds, and off at 40-110 seconds.

A Series Sequencer, field proven for controlling the operation of heating elements and/or blower motors in electric, gas or oil heat systems. This sequencer has 1 switch & turns on at 1-20 seconds, and off at 40-110 seconds.

A Series Sequencer, field proven for controlling the operation of heating elements and/or blower motors in electric, gas or oil heat systems. This sequencer has 1 switch & turns on at 1-20 seconds, and off at 40-110 seconds.

Model: DS-006-807 ; Defrost Frequency: 8 h; Defrost Time: 7 min; Voltage: 120V ; Replaces O.E.M.NO.:  TD20C

Model: DS-006-630 ; Defrost Frequency: 6 h; Defrost Time: 30 min; Voltage: 120V ; Replaces O.E.M.NO.:  TD20L

Model: DS-014 ; Defrost Frequency: 6 h; Defrost Time: 21 min; Voltage: 120V 220V ; Replaces O.E.M.NO.: Frigidaire 628518  

Model: DS-014 ; Defrost Frequency: 6 h; Defrost Time: 25 min; Voltage: 120V 220V ; Replaces O.E.M.NO.: Whirlpool 482493  

Model: DS-005-X09UM1 ; Voltage Frequency: 220V/60HZ ; Defrost Frequency: 10H5M ; Defrost Time: 9M36S