573403A | Backflow Preventer 1/2"npt | Caleffi Voltage_171 to 184/55 to 90V High-Performing SMD DUAL: A

High-Performing SMD DUAL: A

**Key Features:** * 2x2

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Key Features and Specifications: * SKU: BLW0889 * Single-stage operation for efficiency * Durable construction for industrial applications * Compact design for easy installation * Ideal for combustion air supply

573403A | Backflow Preventer 1/2"npt | Caleffi Voltage_171 to 184/55 to 90V High-Performing SMD DUAL: ACaleffi Backflow Preventer: Reliable Protection against Reverse Flow The Caleffi 573403A Backflow Preventer is a crucial device designed to safeguard fluid systems against reverse flow and potential contamination. This high quality preventer features a durable brass construction, ensuring longevity and resistance to corrosion. Suitable for systems with a maximum working pressure of 145 psi and a temperature range of 40F to 212F, this preventer