With a ±3% capacitance tolerance and an operating temperature range of -40°C to 70°C

Standardized Flow Control: Ensures consistent gas flow interruption when paired with a functional 1720 magnet head and thermocouple

ensuring operational stability across a temperature range of -30°F to +275°F

saving labor and material costs on vent piping

C) acts as a high-limit safety cutoff

Cleveland Controls RFS-4100-040 Switch With a ±3% capacitance toleranceThe 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