Lennox 18M63 – Dual-Setting Pressure Switch (.20"/.45" WC)
Ensure safe and efficient furnace operation with the Lennox 18M63 Pressure Switch, designed for two-stage heating systems. This high-quality OEM component features dual pressure settings—0.20" and 0.45" WC—allowing it to monitor and respond to airflow conditions at different heating stages. By verifying proper venting and pressure differential, the switch helps protect the system from unsafe operation due to blockages or blower malfunctions.
Key Features:
- Part Number: 18M63
- Pressure Settings: Dual setpoints at 0.20" WC (low stage) and 0.45" WC (high stage)
- Type: 2-Stage Pressure SwitchPressure Settings: Set Point High 0.45" W.C.; Set Point Low 0.20" W.C.Additional Information: Contact Rating: 5 Amp Resistive at 24 VACConfiguration: SPST-N.O. Contact
- Type: 2-stage pressure switch
- Function: Verifies inducer fan performance and ensures proper system airflow
- Application: Designed for use in compatible Lennox furnaces and HVAC units
Benefits:
- Helps maintain safe ignition and system operation
- Supports efficient two-stage heating performance
- OEM quality ensures reliable fit and function
- Critical for detecting blocked vents or restricted airflow
This pressure switch is essential for maintaining system reliability and ensuring your furnace responds correctly to airflow conditions during both low and high heat stages.
Ideal replacement for maintaining safety compliance and peak performance in Lennox two-stage heating systems.
Compatible with select Lennox models. Always verify your model's compatibility before purchase. For contractors and HVAC professionals, Beenimax.com offers reliable OEM parts with fast shipping and dependable service.