The Wilkins 1UFMX1F-700XL is a dual check valve designed for potable water backflow prevention, protecting against backsiphonage and backpressure.

Key Specifications:

• Size: 1 Inches
• Maximum Working Pressure: 175 PSI
• Maximum Working Temperature: 180°F
• Notable Certifications: ASSE 1024, CSA, NSF/ANSI/CAN 61
• End Connections: 1" FMTC x 1" FNPT

Other Related Variants:

• 114UFMX1UF-700XL: 1 1/4 Inches meter thread inlet version
• 12UFX12F-700XL: 1/2 Inches model size
• 14UFX14F-700XL: 1/4 Inches model size
• 1MX1UF-700XL: 1 Inches male union inlet version
• 1UFMX1M-700XL: 1 Inches male outlet version
• 1UFMX1MM-700XL: 1 Inches male meter outlet version
• 1UFMX1UF-700XL: 1 Inches female union outlet version
• 1UFMX34F-700XL: 3/4 Inches outlet version
• 1UFMX34M-700XL: 3/4 Inches male outlet version
• 1UFMX34UF-700XL: 3/4 Inches female union outlet version
• 1UFX1F-700XL: 1 Inches FNPT inlet version
• 34MX34UF-700XL: 3/4 Inches male union inlet version
• 34UFMX34F-700XL: 3/4 Inches model size
• 34UFMX34M-700XL: 3/4 Inches male outlet version
• 34UFMX34MM-700XL: 3/4 Inches male meter outlet version
• 34UFX1MM-700XL: 3/4 Inches inlet, 1 Inches outlet version
• 34UFX34F-700XL: 3/4 Inches model size
• 38UFX38F-700XL: 3/8 Inches model size

Materials:

• Low Lead Cast Bronze (ASTM B 584)
• Buna Nitrile Elastomers (FDA approved)
• Noryl Polymers (1/4"-1/2")
• Delrin Polymers (3/4"-1")
• 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.

Standards Compliance:

ASSE Listed 1024; CSA Certified; NSF/ANSI/CAN 61

Features & Benefits:

• Lead-Free Compliance: Meets 0.25% maximum weighted average lead content requirement for potable water safety
• Dual Backflow Protection: Zurn 1UFMX1F-700XL protects against both backsiphonage and backpressure contamination
• Durable Construction: Low-lead cast bronze body with stainless steel springs ensures long-lasting performance
• Flexible Installation: Reversible design with union inlet connection allows for easy maintenance and removal

FAQ

Q: Can the Zurn 1UFMX1F-700XL be installed in any orientation?

A: Yes, all Model 700XL configurations are reversible. However, the valve must not be installed where it can be submerged.

Q: What is the difference between FMTC and FNPT connections?

A: FMTC refers to Female Meter Thread Connection (National Hose Straight Thread), typically used for water meter connections, while FNPT is Female National Pipe Tapered Thread, the standard plumbing thread.

Q: What size meter thread connection do I need for my water meter?

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

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