and evaporative coolers

which provide a permanent

This 440Vac unit is fully compatible with 370V systems

Compatible with KMC Controls pneumatic thermostats and various slider-track controllers

including those handling natural

Cleveland Controls RFS-4001-030 Pressure Switch and evaporative coolersProfessional grade air pressure sensing is critical for proving fan operation and burner efficiency. The Cleveland Controls RFS 4001 030 is a field adjustable differential pressure switch designed for HVAC and energy management applications. Built with a rugged plated housing, it effectively monitors positive, negative, or differential air pressure with high accuracy. The unit features an adjustable set point range from 0. 15" w. c. 0. 05" to 5. 0" w.