Lennox 21J99 Control Board Els PW 29614 Operating at a synchronous speed

Operating at a synchronous speed of 1140 RPM

protecting your client's equipment from expensive heat exchanger cracks

existing silicon tubing should be inspected for cracks or blockages during installation

the 72H02 is the direct technical equivalent to part number 72H0201

Key Benefits: Corrosion Resistance: High-grade stainless steel construction withstands acidic condensate better than standard 382 series plastic components

Lennox 21J99 Control Board Els PW 29614 Operating at a synchronous speedThe 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 Designed specifically for Lennox branded equipment, it replaces outdated ignition modules that cause common