573009A | Fill Valve 573 Backflow Preventer and AutoFill Combination 1/2 Inch Brass Sweat x FNPT 175 Pounds per Square Inch | Hydronic Caleffi Product Type_Single Its adjustable design features a

Its adjustable design features a 5/16-18 tapped hole

Its M12 thread size and precise dimensions allow for secure and accurate positioning of workpieces

providing ample power for driving condenser fans in air conditioning and refrigeration systems

making it suitable for repeated use in harsh environments

Its counterclockwise rotation at 3200 RPM makes it suitable for various applications that require precise air movement

573009A | Fill Valve 573 Backflow Preventer and AutoFill Combination 1/2 Inch Brass Sweat x FNPT 175 Pounds per Square Inch | Hydronic Caleffi Product Type_Single Its adjustable design features aThe 573 Backflow Preventer and AutoFill Combination by Caleffi is a highly functional device designed for protecting water systems from contamination and maintaining optimal water pressure. This backflow preventer features a 1 2 inch brass Sweat x FNPT connection, ensuring durability and compatibility with various plumbing systems. Its robust construction enables it to withstand pressures up to 175 PSI. The primary function of this device is to