Description
The Caleffi 533350HA is a precision-engineered compact pressure reducing valve from Caleffi’s trusted PresCal™ series, designed to regulate downstream water pressure in residential and light commercial plumbing and hydronic systems. Built for reliable performance and long-lasting durability, this 3/4″ FNPT pressure valve delivers consistent pressure control, smoother system operation, and enhanced equipment protection.
Key Features
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Compact 3/4″ FNPT Union x FNPT Connections: Ideal for installations where space is limited yet dependable pressure control is critical.
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Reliable Pressure Regulation: Precisely reduces and stabilizes incoming water pressure, helping protect fixtures, pumps, boilers, and radiant systems from pressure spikes.
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DZR Low-Lead Brass Construction: Durable dezincification-resistant brass body provides long service life and corrosion resistance for domestic and commercial use.
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Built-In High-Flow Seat & Filter: Features a high-flow design and integral stainless steel mesh filter to help prevent debris from entering the system and to promote quieter, efficient flow.
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Tamper-Resistant Adjustment Cap: Helps safeguard your pressure setting with a cap that hides the adjustment screw.
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