Description
Zurn Wilkins 70XL Water Pressure Reducing Valve – 3/4″ & 1″.
Product Overview
The Zurn Wilkins 70XL is a lead-free water pressure reducing valve (PRV) engineered for residential, commercial, and industrial potable water systems. Built with a durable bronze body and bell, this pressure reducer lowers high inlet pressure to a safe, consistent outlet level. The 70XL prevents excessive system pressure from thermal expansion with its integral bypass and ensures long-term reliability through a balanced piston design.
Available in 3/4″ (34-70XL) and 1″ (1-70XL) sizes, this PRV delivers smooth performance and easy serviceability thanks to its unitized, replaceable cartridge.
Features & Benefits
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Durable cast bronze body and bell for corrosion resistance
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Balanced piston design for smooth response to flow and pressure changes
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Integral bypass prevents pressure buildup from thermal expansion
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Replaceable cartridge reduces maintenance downtime
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Compliant with Lead-Free laws (NSF/ANSI/CAN 61 & 372)
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Single or double union connection options for flexible installation
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Factory preset at 50 psi, adjustable from 25–75 psi
Specifications
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Sizes: 3/4″, 1″
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Max working pressure: 300 psi
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Max temperature: 140°F standard; 180°F at 100 psi with CPVC tailpiece
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Reduced pressure range: 25–75 psi (preset at 50 psi)
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Connections: FNPT (ANSI B1.20.1), copper sweat (ANSI B16.22), optional CPVC, press-fit, or push-fit tailpieces
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Materials: Bronze body, stainless steel seat & strainer, Buna-N and EPDM elastomers
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Certifications: ASSE 1003, IAPMO, CSA, City of Los Angeles Approved, NSF/ANSI/CAN 61 & 372
Installation Tips
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Install in accordance with local plumbing codes and manufacturer’s instructions
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Suitable for horizontal or vertical installation
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Allow adequate clearance for testing and maintenance
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Use sealed cage (SC) option for pit, vault, or indoor applications
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For high inlet pressure (more than 4:1 reduction), consider multiple PRVs in series
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Always verify outlet pressure with a downstream gauge after adjustment
FAQs
Q: What is the preset outlet pressure on the 70XL?
A: The valve comes factory-set at 50 psi but is adjustable from 25–75 psi.
Q: Can the 70XL handle hot water?
A: Yes, up to 140°F standard and 180°F at 100 psi with the CPVC tailpiece option.
Q: Does it meet lead-free compliance?
A: Yes, it is certified to NSF/ANSI/CAN 61 & 372 with less than 0.25% weighted average lead content.
Q: How do I maintain this PRV?
A: The replaceable cartridge design allows quick servicing without removing the entire valve.
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