The Wilkins 1UFMX34UF-700XL is a lead-free dual check valve designed for potable water systems, protecting against backsiphonage and backpressure.

Key Specifications:

• Connection Type: 1 Inches FMTC inlet x 3/4 Inches FNPT outlet
• Maximum Working Pressure: 175 PSI
• Maximum Temperature: 180°F
• Notable Certifications: ASSE 1024, CSA, NSF/ANSI/CAN 61
• Body Material: Low Lead Cast Bronze

Other Related Variants:

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

Materials:

• Low Lead Cast Bronze ASTM B 584 main valve body
• Buna Nitrile (FDA approved) elastomers
• Noryl polymers (1/4"-1/2" sizes)
• Delrin polymers (3/4"-1" sizes)
• Stainless Steel 300 Series springs

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 1UFMX34UF-700XL is typically installed on the outlet side of a water meter or inline on potable water lines.

Standards Compliance:

ASSE Listed 1024; CSA Certified; NSF/ANSI/CAN 61 (0.25% maximum weighted average lead content)

Features & Benefits:

• Dual Protection: Protects potable water supply against both backsiphonage and backpressure of polluted water.
• Lead-Free Compliance: Certified to NSF/ANSI/CAN 61 with 0.25% maximum weighted average lead content for safe drinking water applications.
• Versatile Installation: Union connection allows for easy maintenance and servicing without disrupting entire system.
• Durable Construction: Low lead bronze body with stainless steel springs and FDA-approved elastomers ensure long-lasting performance.

FAQ

Q: What is the difference between the Wilkins 1UFMX34UF-700XL and standard threaded models?

A: The 1UFMX34UF-700XL features a 1 Inches female meter thread connection (FMTC) inlet with a union connection and a 3/4 Inches female NPT outlet, specifically designed for water meter installations. Standard models use NPT threading throughout.

Q: Can the Zurn 1UFMX34UF-700XL be installed in any direction?

A: Yes, all configurations of the Model 700XL series are reversible. However, proper flow direction should be verified during installation and no part of the unit should be submerged.

Q: What is the maximum operating temperature and pressure for this valve?

A: The Zurn 1UFMX34UF-700XL has a maximum working pressure of 175 PSI and a maximum temperature rating of 180°F, suitable for most residential and commercial potable water applications.

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