Siemens Building Technology QPM2162 Sensor L99H008 preventing the fluid or air

preventing the fluid or air bypass that leads to significant capacity loss

providing a reliable interface for manual operation

ensuring proper shaft diameter and mounting alignment

This genuine Lennox 14X35 component (also referenced by part number 614378-02) ensures a precise fit for over 150 models

Professional installation is recommended to verify manifold pressure and ensure the water heater pilot assembly maintains the specific millivolt output necessary for system stability and efficient thermal transfer

Siemens Building Technology QPM2162 Sensor L99H008 preventing the fluid or airFor high performance demand controlled ventilation, the Siemens QPM2162 is the professional standard for multi variable duct sensing. This NDIR CO2 sensor provides critical feedback for CO2 concentration, relative humidity, and temperature, allowing for precise ASHRAE compliant air monitoring. This duct mounted sensor utilizes non dispersive infrared technology to ensure long term stability without the need for periodic field recalibrations, making it