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Model OP921 is Underwriters’ Laboratories Listed [UL268A Listed for direct in-air duct usage]
or 10 amps of shared power when the unit is configured for use with an external battery charger
Fast and easy installation
Potter AFC-50 RB Replacement AFC-50 Board
Potter PAD300-DUCT Addressable Duct Detector GN-503F (918-0007-002) Model OP921 is Underwriters’ LaboratoriesPotter PAD300 DUCT Analog Addressable Duct Detector The PAD300 DUCT is designed and built to meet all local requirements, as well as the NFPA regulations regarding duct smoke detectors. Air sampling is accomplished by two (2) tubes which protrude into the duct. An exhaust tube of one standard length (7) is supplied in the installation kit with the smoke duct unit. Once the duct width has been determined the air intake, sampling tubes must be ordered.
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