The Wilkins 1-20XLC is a lead-free water pressure reducing valve with integral strainer designed for potable water service lines, offering reliable pressure control and debris filtration in residential applications.

Key Specifications:

• Size: 1 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• End Connections: Female copper sweat union

Other Related Variants:

• 34-20XLC: 3/4 Inch model size

Materials:

• Main Valve Body: Lead-Free cast bronze
• Bell Housing: UV resistant polymer composite
• Stem: Lead-Free brass
• Elastomers: EPDM, Buna nitrile
• Cartridge: Acetal
• Spring: 300 series stainless steel
• Strainer Screen: 300 series stainless steel

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted in accordance with the latest edition of the Uniform Plumbing Code. The Zurn 1-20XLC may be installed in any position, horizontal or vertical. The assembly shall be installed with sufficient side clearance for testing and maintenance. Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 4 to 1 (ie: 200 psi inlet reduced to 50 psi outlet). For pex tube installations, do not exceed the rated pressure or temperature of the tube.

Standards Compliance:

NSF/ANSI/CAN 61; NSF/ANSI/CAN 372; ASSE Listed 1003; cUPC Listed; CSA Certified B356

Features & Benefits:

• Integral Strainer Design: Built-in strainer filters sediment and debris, ideal for residential and water systems requiring frequent cleaning.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion.
• Balanced Stem Performance: Balanced stem design enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure changes.
• Compact Installation: Short lay length and ability to install in any position makes it ideal for tight spaces and flexible installation requirements.

FAQ

Q: Can the Wilkins 1-20XLC be installed in any orientation?

A: Yes, the Zurn 1-20XLC may be installed in any position, either horizontal or vertical, providing installation flexibility for various applications.

Q: What is the factory preset pressure setting for this valve?

A: The valve comes factory preset to 50 psi, with an adjustable reduced pressure range of 25 to 75 psi. Always use a pressure gauge downstream when adjusting to verify correct pressure setting.

Q: Is maintenance possible without removing the valve from the line?

A: Yes, the assembly is accessible for maintenance without removing the device from the line. The valve should be installed with sufficient side clearance for testing and maintenance access.

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