Siemens Combustion QRA2M(1) Detector 320720-756 or window-type heat pumps

or window-type heat pumps

ensuring bubble-tight shutoff and precise temperature regulation across diverse hydronic heating and VAV reheat applications

Accurate Monitoring: Provides precise space temperature sensing between 55°F and 90°F

Durable Construction: Engineered to withstand high-velocity debris and extreme temperature fluctuations common in chiller operation

Siemens Combustion QRA2M(1) Detector 320720-756 or window-type heat pumpsThe 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