2D51 detector equivalent, photoelectric smoke detector.
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Specifications Height: Diameter: Weight: Operating Temperature Range: Operating Humidity Range: 2.0 in 4.1 in; 6.1 in 3..
The 2D51 photoelectronic detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide protection in duct applications when installed with an Innovair Flex 4-wire duct smoke detector housing and to be used with compat.
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