In standard HVAC applications

High-Contrast Legibility: Features a white aluminum scale with bold black graduations and a magnifying lens front for precise readings from a distance

Comprehensive Control: Manages the heating cycle

it serves as the direct replacement for E217V1

This unit is built to handle high cycle rates without compromising seal integrity in demanding commercial environments

Siemens Combustion QRA73.A17 Detector 319825-402 In standard HVAC applicationsThe 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