Common Contractor Questions: What is the maximum operating pressure for the ACK-12

and general service applications

Manual Reset Lockout: Ensures manual intervention is required after a trip

Constructed with a heavy-duty housing and a balanced impeller to minimize vibration

as a remote mount unit pack

Siemens Building Technology QPM2162 Sensor 320074-702 Common Contractor Questions: What isFor 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