a change-out is required

it delivers the necessary torque for consistent heat dissipation across the coils without over-amping the circuit

ensuring reliable performance when integrated with System 450

While earlier or later series may use similar components

Lennox 47M84 Tubing 320074-702 a change-out is requiredThe Lennox 47M84 Tubing Kit is a critical Genuine OEM replacement part designed for precise pneumatic signal transmission in residential and light commercial HVAC units. As a direct cross reference for the LB 96015B, this pressure switch tubing kit includes color coded black and red tubing to ensure accurate differential pressure sensing between the inducer housing and the furnace pressure switch. In high efficiency Lennox condensing furnaces,