Lennox 98L78 Tubing 318518-761 How do I identify if

How do I identify if this is the correct spring for my manifold pressure

Universal Fit Dimensions: The 1/2-inch hub bore and 24-inch overall diameter provide seamless integration with standard NEMA frame motors

This model is technically identical to the P100AA-2C

The Johnson Controls D351AA-1 Display Module is a purpose-built digital interface designed specifically for use with System 350 humidity controls

and various gas-air mixtures

Lennox 98L78 Tubing 318518-761 How do I identify ifThe Lennox 98L78 Tubing is a critical OEM replacement kit used for establishing airtight connections between furnace pressure switches and intake exhaust components. This high temperature pressure switch square tubing is engineered to withstand the rigorous thermal cycles found in modern condensing gas furnaces. As a veteran grade HVAC replacement part, this kit features an approximate 3 16 inch ID (inner diameter), ensuring accurate pneumatic signals