This differential pressure switch serves as the current OEM replacement part for legacy numbers 9004586215 and NS2-0097-00

This unit is essential for maintaining NEC compliance on equipment requiring a visible means of HVAC electrical isolation

This is a genuine Lennox OEM part specifically spec'd for Lennox

the board is likely at fault

000 BTU/HR capacity at 1" pressure drop

Carrier 40RM500072 Blower Plate 322838-754 This differential pressure switch servesThe Carrier 40RM500072 Blower Plate is a critical OEM replacement part engineered specifically for Carrier 40RM series air handlers and bundled HVAC systems. This heavy duty mounting plate provides the structural integrity required to secure the blower assembly, preventing vibration induced fatigue and ensuring the blower wheel maintains precise clearance within the housing. Fabricated from corrosion resistant, high gauge galvanized steel, the