Siemens Combustion QRA73.A17 Detector 318518-761 Its durable design and precise

Its durable design and precise pressure setting help maintain system integrity while supporting code-compliant pressure protection requirements

it features a platform mount and reversible rotation to ensure versatile compatibility across various Protech and Rheem package heat pumps

This unit is built to withstand harsh environments with a NEMA 4 enclosure rating and includes VOS2/VCS2 switches for definitive proof of closure (POC) and open position tracking

Snap-Action Bimetal Disc: Engineered for fast contact separation

check the burner alignment and ensure the venting system is not obstructed

Siemens Combustion QRA73.A17 Detector 318518-761 Its durable design and preciseThe Siemens QRA73. A17 is a precision engineered UV flame detector built for continuous supervision in high demand industrial and commercial combustion environments. Designed for seamless integration with LMV5 and LME7 burner management systems, this detector operates on a 110V 120V AC power supply and provides reliable monitoring for gas flames, blue burning oil flames, and ignition sparks. Featuring an integrated self checking mechanism, the unit