Description
The SWT2533 furnace air pressure switch is a critical safety component designed to monitor airflow and pressure within HVAC heating systems. This switch ensures proper venting and combustion by verifying that the inducer motor is creating adequate draft before allowing the furnace to ignite. If correct pressure is not detected, the switch prevents operation to protect the system and maintain safe performance. Built for accuracy and reliability, this pressure switch is commonly used in residential and light commercial gas furnaces and is ideal for replacing a failed or malfunctioning unit.
Key Features
- Air pressure safety switch for furnace applications
- Opening pressure: 1.11" WC (water column)
- Closing pressure: 1.29" WC
- Designed to detect proper inducer airflow
- Helps prevent unsafe furnace operation
- Electrical contacts open or close based on pressure changes
- Durable construction for long service life
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