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Smith commercial boilers and high-efficiency water heaters where precise 3-way bypass control is required for temperature regulation
the included pressure switch kit uses a probe in the exhaust duct to sense airflow
System Longevity: Protects the burner plate and surrounding electronic components from premature heat-induced fatigue
The wrapped construction of the 5L540 helps mitigate misalignment issues better than raw edge belts
590 and an EER of up to 7
Siemens Building Technology QPM2162 Sensor R-22 Smith commercial boilers and high-efficiencyFor 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
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