Lennox 18L89 - Blower Proving Switch, Actuates at 0.14" W.C.
Ensure reliable furnace operation with the Lennox 18L89 Blower Proving Switch, designed to verify blower performance in heating and air handling systems. This precision switch actuates at 0.14 inches water column (W.C.), providing consistent performance in applications requiring accurate airflow detection.
Key Features:
- Part Number: 18L89 (Replaces Lennox OEM part number 18L8901)
- Gross Weight: 0.5 LBType: Blower Proving SwitchPressure Settings: Actuates at 0.14" W.C.Additional Information: Contact Rating: 10 mAmp at 5 VDCConfiguration: SPST-N.O. Contact
- Function: Air pressure switch that proves blower operation before allowing ignition
- Setpoint: Actuates at 0.14" W.C.
- Application: Commonly used in Lennox furnaces and HVAC systems to ensure safe system startup
- Reliable Construction: Built to meet OEM standards for dependable, long-lasting service
The 18L89 is a critical safety and control component that confirms proper blower airflow, helping to prevent system lockouts and maintain optimal combustion conditions. It is a direct replacement for original equipment and integrates seamlessly into compatible Lennox systems.
Ideal for HVAC technicians and contractors, this pressure switch supports accurate diagnostics and system maintenance. Backed by Lennox quality, it’s a trusted solution for ensuring your heating system runs safely and efficiently.
Order the Lennox 18L89 blower proving switch today from Beenimax.com and keep your HVAC systems operating with confidence.