Rheem-Ruud 62-102635-81 Control Board Els PW 29614 Since the Lennox 66J78 is

Since the Lennox 66J78 is identical to 66J7801

The D9918202A features a pre-wired connector for a secure interface with the existing harness

though it can replace non-auxiliary models by disregarding the extra terminals

Can I use this switch for air proving

Quick-connect 1/4 inch barbed port simplifies the replacement of brittle or cracked vacuum lines during service calls

Rheem-Ruud 62-102635-81 Control Board Els PW 29614 Since the Lennox 66J78 isThe Rheem Ruud 62 102635 81 Control Board is a mission critical Integrated Furnace Control (IFC) designed for two stage gas furnaces equipped with Permanent Split Capacitor (PSC) blower motors. As a direct OEM replacement part for the legacy 62 24320 02 and 62 102635 01 units, this board handles the full sequence of operation including inducer motor ignition, flame sensing, and blower motor speed control. Field technicians will find the on board