This 12-inch replacement diaphragm is constructed from high-temp synthetic rubber

the absence of linkages or complex calibration requirements means faster commissioning on the job site

Durable SPDT Switch Design: The Single-Pole Double-Throw contact arrangement offers versatile wiring for various control board safety loops

eliminating the need for mounting adjustments or wiring harness adapters

Lennox 71L00 Inlet Plate 340155-7024 This 12-inch replacement diaphragm isThe Lennox 71L00 Inlet Plate is a critical OEM replacement component designed to regulate and direct air intake within specific Lennox HVAC configurations. Built from high gauge, corrosion resistant sheet metal, this inlet plate ensures consistent air velocity and balanced static pressure across the blower compartment. HVAC technicians rely on the 71L00 to maintain optimal furnace airflow and prevent turbulence that can lead to premature motor wear or