This Ctrl Brd Assy serves as the primary logic interface for Trane air handlers including the TAM7

Key Benefits High-Amperage Switching: The 21A SPDT switch provides versatile control for both normally open and normally closed circuits

If input voltage is present but the lamp does not strike after replacing the bulb

If the motor windings ohm out correctly but the blower refuses to turn or exhibits erratic speed "searching

providing high force output for larger valve bodies compared to the smaller MP800 series

Daikin-McQuay 073301002 Card 319852-301 This Ctrl Brd Assy servesThe Daikin McQuay 073301002 Card is a critical 90 second purge time card engineered for precision timing in commercial HVACR control circuits. As a veteran technician knows, maintaining the correct purge cycle is essential for clearing the combustion chamber or evaporator of residual gases and debris, preventing short cycling and ensuring operational efficiency. This OEM Daikin McQuay replacement part is specifically designed to interface with