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The Wilkins 1UFMX34F-700XL is a lead-free dual check valve designed for potable water protection against backsiphonage and backpressure where a potential health hazard does not exist.

Key Specifications:

• Inlet Connection: 1 Inches FMTC
• Outlet Connection: 3/4 Inches FNPT
• Maximum Working Pressure: 175 PSI
• Maximum Working Temperature: 180°F
• Notable Certifications: ASSE 1024; CSA; NSF/ANSI/CAN 61

Other Related Variants:

• 114UFMX1UF-700XL: 1 1/4 Inches FMTC inlet x 1 Inches FNPT union outlet
• 12UFX12F-700XL: 1/2 Inches FNPT union inlet x 1/2 Inches FNPT outlet
• 14UFX14F-700XL: 1/4 Inches FNPT union inlet x 1/4 Inches FNPT outlet
• 1MX1UF-700XL: 1 Inches MNPT union inlet x 1 Inches FNPT outlet
• 1UFMX1F-700XL: 1 Inches FMTC union inlet x 1 Inches FNPT outlet
• 1UFMX1M-700XL: 1 Inches FMTC union inlet x 1 Inches MNPT outlet
• 1UFMX1MM-700XL: 1 Inches FMTC union inlet x 1 Inches MMTC outlet
• 1UFMX1UF-700XL: 1 Inches FMTC union inlet x 1 Inches FNPT union outlet
• 1UFMX34M-700XL: 1 Inches FMTC union inlet x 3/4 Inches MNPT outlet
• 1UFMX34UF-700XL: 1 Inches FMTC union inlet x 3/4 Inches FNPT union outlet
• 1UFX1F-700XL: 1 Inches FNPT union inlet x 1 Inches FNPT outlet
• 34MX34UF-700XL: 3/4 Inches MNPT union inlet x 3/4 Inches FNPT outlet
• 34UFMX34F-700XL: 3/4 Inches FMTC union inlet x 3/4 Inches FNPT outlet
• 34UFMX34M-700XL: 3/4 Inches FMTC union inlet x 3/4 Inches MNPT outlet
• 34UFMX34MM-700XL: 3/4 Inches FMTC union inlet x 3/4 Inches MMTC outlet
• 34UFX1MM-700XL: 3/4 Inches FNPT union inlet x 1 Inches MMTC outlet
• 34UFX34F-700XL: 3/4 Inches FNPT union inlet x 3/4 Inches FNPT outlet
• 38UFX38F-700XL: 3/8 Inches FNPT union inlet x 3/8 Inches FNPT outlet

Materials:

• Low Lead Cast Bronze (ASTM B 584)
• Buna Nitrile Elastomers (FDA approved)
• Noryl Polymers (1/4" - 1/2" sizes)
• Delrin Polymers (3/4" - 1" sizes)
• Stainless Steel Springs (300 Series)

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the installation shall be in accordance with the manufacturer's instructions and the latest edition of the Uniform Plumbing Code. The installation shall be made so that no part of the unit can be submerged. The Zurn 1UFMX34F-700XL is typically installed inline on potable water lines on the outlet side of a water meter or in meter setter installations for protection against backsiphonage and backpressure.

Standards Compliance:

ASSE Listed 1024; CSA Certified; NSF/ANSI/CAN 61 (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

Features & Benefits:

• Lead-Free Construction: Complies with lead-free requirements for potable water applications, ensuring safe drinking water protection.
• Dual Check Protection: Provides reliable backflow prevention against both backsiphonage and backpressure conditions in non-health hazard applications.
• Durable Materials: Low lead cast bronze body with corrosion-resistant stainless steel springs and FDA-approved Buna Nitrile elastomers ensure long-lasting performance.
• Versatile Installation: Union inlet connection allows for easy installation and maintenance without disrupting the entire water line.

FAQ

Q: What is the difference between the Wilkins 1UFMX34F-700XL and Zurn 1UFMX34F-700XL?

A: They are the same product. Wilkins is a brand of Zurn Water, LLC, so both names refer to the identical dual check valve model.

Q: Can the Model 700XL be installed in any flow direction?

A: Yes, all Model 700XL configurations are reversible and can be installed in either flow direction.

Q: What size meter thread connection should I order for my water meter?

A: Order the connection one size larger than your water meter. For example, if your water meter is 1/2" or 5/8", order a 3/4" meter thread connection. If your meter is 5/8" x 3/4" or 3/4", order a 1" meter thread connection.

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