The Wilkins 34-20XLEPEX is a compact water pressure reducing valve with integral strainer, designed for potable water service lines requiring pressure reduction with direct PEX connection capability.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• Connection Type: Expansion PEX barb connections

Other Related Variants:

• 1-20XLEPEX: 1 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:

The Zurn 34-20XLEPEX may be installed in any position on potable water lines. It should be mounted with sufficient side clearance for testing and maintenance in accordance with local codes and the latest edition of the Uniform Plumbing Code. Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 4 to 1 ratio. For PEX tube installations, do not exceed the rated pressure or temperature of the tube.

Standards Compliance:

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

Features & Benefits:

• Direct PEX Connection: Integral male expansion PEX barb connections allow direct connection to ASTM F1960 tubing without unions, minimizing fittings and potential leak points.
• Thermal Expansion Protection: Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion in closed water systems.
• Integral Strainer: Built-in 300 series stainless steel strainer screen protects downstream components from sediment and debris, ideal for residential applications requiring frequent cleaning.
• Balanced Stem Design: Enables smooth and responsive reaction to changes in system flow demand while providing protection from inlet pressure changes.

FAQ

Q: What is the factory preset outlet pressure for the Zurn 34-20XLEPEX?

A: The valve is factory preset to 50 psi outlet pressure, adjustable within a range of 25 to 75 psi. A pressure gauge must be used downstream when adjusting the pressure setting.

Q: Can this valve be installed in any orientation?

A: Yes, the Model 20XL may be installed in any position, providing flexibility for various plumbing configurations in residential and light commercial applications.

Q: What type of PEX tubing is compatible with the EPEX connection?

A: The EPEX option features integral male expansion PEX barb connections specifically designed for ASTM F1960 cross-linked polyethylene tubing. Do not exceed the rated pressure or temperature of the tube.

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