Description
The Caleffi 535341HA is a premium PresCal pre-adjustable pressure reducing valve engineered for precise water pressure regulation in residential and commercial plumbing applications. Built with a durable low-lead brass body and integrated pressure gauge, this valve helps protect fixtures, appliances, and piping from excessive pressure while improving system efficiency and longevity.
Key Features
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Integrated Pressure Gauge: Built-in gauge provides real-time pressure monitoring, making installation and system setup faster and easier.
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Reliable Pressure Regulation: Pre-adjustable design regulates incoming water pressure to a stable, safe level — typically between 15-90 psi — helping prevent over-pressure damage.
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Low-Lead Brass Construction: Dezincification-resistant brass body offers corrosion resistance and long-lasting durability for both potable water and hydronic systems.
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High Flow & Quiet Operation: Pressure-balanced cartridge and high-flow seat design deliver smooth flow and reduced noise during operation.
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Service-Friendly Design: Field-serviceable cartridge and integral stainless-steel filter make maintenance and cleaning simple.
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Code-Compliant: Meets ASSE 1003, CSA B356, NSF 61 and NSF 372 standards, and complies with ICC-ES and major U.S./Canadian plumbing codes for safety and performance.
