Description
Maintain proper pressure and protect potable water supplies with the Caleffi 573016A AutoFill Combo, a pre-adjustable automatic filling valve with integrated backflow preventer and pressure gauge. Designed for hydronic heating systems, this high-quality brass assembly simplifies system charging and ensures safe, code-compliant operation.
Key Features
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Automatic Pressure Management: Automatically fills sealed hydronic systems to the desired pressure setting — no manual filling, no levers to hold open during setup.
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Backflow Protection: Integrated 573 series backflow preventer shields potable water from contamination due to back-siphonage or back pressure, complying with industry standards like ASSE 1012.
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Built-In Pressure Gauge: Easy-to-read 0–60 psi gauge lets you monitor system pressure and adjust accurately.
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Press Connection Design: Press-x-press union and outlet connections make installation fast and solder-free — ideal for modern plumbing systems.
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Durable Brass Construction: Robust brass body and internal components offer long-lasting service life in demanding HVAC environments.
