Lennox 82M33 – Aire-Flo 20293413 Pressure Switch, OEM Furnace Replacement

The Lennox 82M33 (Aire-Flo 20293413) pressure switch is an authentic OEM replacement designed for dependable airflow and combustion safety in compatible Aire-Flo and Lennox furnaces. This high-quality pressure switch monitors the inducer draft and ensures the furnace activates only when proper airflow is confirmed, helping protect the heat exchanger and maintain efficient system performance. Ideal for service technicians and homeowners seeking a precise, manufacturer-approved component.

This pressure switch helps resolve common furnace issues such as ignition failure, short cycling, and error codes related to airflow restriction. Built to strict OEM standards, it provides accurate operation and long-term reliability in residential HVAC systems.

Key Features

• Genuine Lennox OEM replacement for Aire-Flo 20293413
• Ensures proper inducer draft and safe combustion operation
• Helps prevent ignition faults, airflow errors, and system lockouts
• Durable construction for long-lasting, accurate pressure sensing
• Direct-fit replacement for compatible Aire-Flo furnace models

Specifications

• Manufacturer: Lennox
• Part Number: 82M33
• Aire-Flo Part Number: 20293413
• Component Type: Furnace Pressure Switch
• Application: Inducer draft verification
• Mounting: Factory-style direct replacement
• Compatibility: Select Aire-Flo and Lennox furnaces (check model for fitment)