Siemens Combustion QRA2M(1) Detector R-407A this unit maintains consistent air

this unit maintains consistent air quality while minimizing energy loss

By utilizing this 5/8 inch ODF service valve

This extension is designed for use with specific series actuators typically paired with Characterized Control Valves

TEAO enclosure for protection in outdoor environments

it is not a substitute for a dedicated backflow preventer like the Watts 288A series

Siemens Combustion QRA2M(1) Detector R-407A this unit maintains consistent airThe 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