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the 72H02 is the direct technical equivalent to part number 72H0201
protecting your client's equipment from expensive heat exchanger cracks
Optimized Pressure Range: Operates consistently between 30 and 150 PSI for versatile application across various shop air configurations
ensuring that static pressure remains within design specifications after installation
Lennox 21J99 Control Board Els PW 29614 the 72H02 is the directThe Lennox 21J99 is a genuine OEM replacement for aging or failed Direct Spark Ignition (DSI) control boards in residential furnace applications. Labeled under catalog number 21J99 and part number 105802 02, this module manages the trial for ignition period and flame sensing and operation of the inducer motor to ensure stable combustion cycles. Designed specifically for Lennox branded equipment, it replaces outdated ignition modules that cause common
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