Lennox 12J16 Sequencer 320788 703 Engineered for seamless integration with Engineered for seamless integration with Reznor waste oil heaters and high efficiency unit heaters shifting to 1 4" ID or 1 2" ID tubing is recommended to maintain signal accuracy always refer to the specific air handler schematic to ensure proper terminal mapping Common failure symptoms include elements staying stuck "on" (causing overheating)
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Lennox 12J16 Sequencer 320788-703 Engineered for seamless integration with