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This precision engineered accessory narrows the detector’s field of view to 10 degrees
STI-9713 Steel Web Stopper for Photoelectric Smoke Detector
through 4 in
RESISTANT TO BUILDING MOVEMENT
Engineered for easy installation and dependable performance
Vesda VSP-871 Restrictor Flow Pack of 10 STI-1221A4X This precision engineered accessory narrowsVesda VSP 871 Restrictor Flow Pack of 10 The sampling kit consists of outer and inner parts with the sampling pipe penetrating the Refrigerated Storage sandwich panel. The sampling pipe through the sandwich panel and inner parts are made of ABS plastic which is suitable for low temperatures down to 40 C ( 40 F). The kit comprises a restriction assembly, placed above the sandwich panel, which consists of a sampling orifice within a socket union.
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