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but the 100% lockout feature is mandatory for LP applications
Designed for the demands of industrial steam and hot water applications
providing full cross-compatibility for standard maintenance cycles
including BASO 17D
the Lennox 36N77 and 36N7701 are functionally and physically identical
York S1-SL-2000-P Smoke Detector Els PW 17895 but the 100% lockout featureAs a direct replacement for the legacy York SL 2000 N and SL 2000 models, the York S1 SL 2000 P provides superior smoke detection within high velocity airstreams. This duct smoke detector utilizes advanced photoelectric sensing technology to identify slow burning and smoldering fires, making it an essential component for any commercial HVAC system. Designed for versatility, this 4 wire duct smoke detector operates across multiple voltages24 VAC VDC,