York 2440000000 Air Pressure Control Switch 0.20 Iwc

Product Description

The YORK 2440000000 is an air pressure control switch designed to monitor and respond to changes in air pressure within HVAC systems. It operates on a fall-activation principle, closing or opening the circuit when pressure drops to the 0.20 inches water column (IWC) setpoint. This type of pressure switch is a critical safety and operational component in forced-air heating and cooling equipment. It is typically installed and serviced by licensed HVAC technicians as part of routine maintenance or component-level replacement work.

This air pressure switch is suited for residential and light commercial HVAC applications where draft inducer or airflow proving is required. The on-fall activation logic means the switch responds when air pressure drops below the set threshold, making it appropriate for use in systems that require proof of inducer motor operation or adequate combustion airflow before allowing ignition or continued system operation.

Key Features

• Set point of 0.20 IWC with on-fall activation logic
• Monitors air pressure to verify proper airflow or inducer operation
• Compact form factor at 1 inch x 1 inch x 1 inch
• Lightweight at 1 pound for easy handling during installation
• Genuine OEM replacement part for YORK equipment

Compatibility

Designed as an OEM-style replacement air pressure control switch for YORK HVAC equipment. Consult the equipment service manual or cross-reference by unit model number to confirm fitment before installation.

Installation Notes

Installation should be performed by a licensed HVAC technician. Before servicing, shut off all power to the unit at the disconnect switch and allow the system to depressurize. The switch is typically connected inline with the low-voltage control circuit and mounted near the draft inducer or pressure tap point. Verify port orientation and tubing connections are secure and free of kinks or blockages before restoring power.