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Accurate Monitoring: Provides precise space temperature sensing between 55°F and 90°F
ensuring bubble-tight shutoff and precise temperature regulation across diverse hydronic heating and VAV reheat applications
making it a direct-fit replacement for aged or failing metering components in legacy Trane and American Standard residential units
Cutting or kinking the line will depressurize the system and render the transmitter inoperable
Siemens Combustion QRA2M(1) Detector 320720-756 Accurate Monitoring: Provides precise spaceThe Siemens QRA2M(1) is a high sensitivity ultraviolet flame detector engineered for supervising gas and oil flames in industrial and commercial burner systems. Utilizing an intermittent operating mode, this UV flame detector monitors radiation intensity during each half cycle to provide accurate signal current to Siemens burner controls for safety critical flame supervision and ignition spark proving. The QRA2M(1) features a robust, metalized plastic