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With a 1/4" bore and clockwise (CW rotation) orientation
As a spring return normally closed actuator
the Reznor 174810 relay is calibrated with specific 1-110 second timing logic required for gas-fired units
protected by a NEMA 4X watertight enclosure
Vulcain VA301IRFSR22 Sensor 30067439-890 With a 1/4" bore andThe Vulcain VA301IRFSR22 is a professional grade R 22 refrigerant gas sensor engineered for precise leak detection in commercial and industrial mechanical rooms. This NDIR (Non Dispersive Infrared) sensor serves as a direct M 505418 replacement, ensuring seamless integration with existing Honeywell 301 EM series controllers. Designed for "at the source" monitoring, it features a rugged ABS polycarbonate housing that facilitates mounting directly on
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