Siemens Combustion QPL32.200M00 M/R Low Pressure Switch 40-200" WC

The Siemens Combustion QPL32.200M00 M/R low Pressure Switch is a efficient control component designed to monitor gas or air pressure within HVAC systems. commonly installed in burners, boilers, and air handling units, it support to check proper airflow or fuel supply before and during operation. It operates within a range of 40 to 200 inches water column, activating or deactivating circuits based on preset thresholds to ensure efficient and safe system performance. Within the overall control system, it operates as a safety and interlock component, avoding equipment operation under inadequate pressure conditions.