Description
Ensure consistent water pressure and effortless system maintenance with the Caleffi 553642A AutoFill™ Automatic Boiler Filling Valve — a premium automatic filling solution designed for sealed hydronic heating systems. Built to deliver reliable performance, fast filling, and adjustable pressure control, this valve simplifies setup and keeps your system running efficiently with minimal manual intervention.
Key Features
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Automatic Fast-Filling Action: Automatically fills your heating system to the pre-set pressure and stops when reached — no levers to hold open or manual adjustments during fill-up.
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Adjustable Pressure Control: Factory pre-set to ~15 psi with an adjustable range from 3 – 60 psi, giving you flexible control tailored to your system’s requirements.
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Built-In Gauge & Indicator: Includes an integrated 0-60 psi pressure gauge and visual pressure setting indicator — monitor and fine-tune system pressure at a glance.
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Complete Assembly: Comes with a manual shut-off valve, strainer, and check valve for improved protection, isolation, and performance.
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Durable Brass Construction: Rugged brass body with anti-scale internal parts and NBR seals ensures long-lasting durability and corrosion resistance.
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