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 M1-M2-25 at 10-40 and M3-M4 at 10-30. Off M1-M2 at 90-160 and M3-M4 at 3.

●Direct Replacement for Most Fan & Heat Sequencing Functions.

●24 Volt Input Control .

●Contacts Designated M1-M2 of a Multi-timing Sequencer will Turn On First and Turn Off Last, as Required by UL for Electric Heating Applications.

●Five Second on Delay Between all Subsequent Stages, Unless they Function Together.

Applications：Oil furnaces，Gas furnaces，Heat pumps，Electric furnaces

Replacement Part: Weatherking：4223115606

• Off M1 - M2:90 - 160 Seconds

• On M1 - M2:10 - 40 Seconds

• Off M3 - M4:30 - 60 Seconds

• On M3 - M4:10 - 30 Seconds

Sequencer Wiring Diagram

*Note all Sequencers include a 24 volt heater except the AL113 which has a 240 volt heater.