Cleveland Controls RFS-4100-040 Switch this NPT drain valve proves

this NPT drain valve proves essential for professional hydronic system maintenance

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Key Benefits for Technicians: Universal Compatibility: Optimized for use with standard refrigerants and oils in diverse refrigeration profiles

Cleveland Controls RFS-4100-040 Switch this NPT drain valve provesThe Cleveland Controls RFS 4100 040 is a heavy duty, field adjustable differential air pressure switch designed for critical proving applications in HVAC and Energy Management Systems. Engineered to detect positive, negative, or differential pressure, this airflow proving switch features a sensing range of 0. 15" WC to 5. 0" WC. The internal silicone diaphragm and snap acting SPDT switch provide reliable performance, rated for 300 VA pilot duty at 115