573019A | Fill Valve 573 with Backflow Preventer and Gauge 1/2 Inch Brass Sweat x FNPT 175 Pounds per Square Inch | Hydronic Caleffi belimo-80.6 Shop now at our HVAC

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573019A | Fill Valve 573 with Backflow Preventer and Gauge 1/2 Inch Brass Sweat x FNPT 175 Pounds per Square Inch | Hydronic Caleffi belimo-80.6 Shop now at our HVACFill Valve 573 with Backflow Preventer and Gauge The Caleffi 573019A Fill Valve is an essential component for maintaining proper water flow and pressure in hydronic systems. This fill valve is designed with a built in backflow preventer, ensuring that water flows in only one direction, preventing contamination of the water supply. Additionally, the gauge provides real time monitoring of system pressure, allowing for quick and easy adjustments to