Johnson Controls WD-2 Detector 321702-401 The MARS 19005 is a

The MARS 19005 is a high-performance 395V 66 potential relay engineered for heavy-duty motor starting applications in HVACR systems

this device provides accurate ambient temperature monitoring to ensure consistent environmental control

including the integrated control module calibrated for specific Heil

meeting safety codes for installation within air-handling spaces

For customized installations

Johnson Controls WD-2 Detector 321702-401 The MARS 19005 is aThe 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