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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
including the integrated control module calibrated for specific Heil
meeting safety codes for installation within air-handling spaces
Normally Closed Safety: Fail-safe design remains closed during power loss or ignition failure
This switch stays open until the red button on the back is physically depressed
For customized installations
Johnson Controls WD-2 Detector 321702-401 including the integrated control moduleThe Johnson Controls WD 2 Detector is an industrial grade, 24V conductive liquid sensing solution specifically engineered for HVAC condensate monitoring and Building Automation Systems (BAS). This line powered unit functions as a high reliability drain pan level switch and leak detection interface, utilizing the electrical conductivity of water to bridge its base contacts. Designed for versatile field application, it features a weather resistant NEMA
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