The Wilkins AG-4 is an air gap adaptor fitting designed for use with Reduced Pressure Principle Backflow Preventers on horizontal or vertical installations.

Key Specifications:

• Size: Fits 3/4 to 1 1/2 Inches
• Outlet Connection: 1 Inches NPT
• Notable Certifications: ANSI/ASME A112.1.2 compliant
• Compatible Series: 975XL, 975XL2, 975XL3
• Weight: Approximately 2 lbs

Other Related Variants:

• AG-10: 8 to 10 Inches for 475V series
• AG-11: 1/2 to 1 Inches for 375, 375XL series
• AG-12: 1 1/4 to 2 Inches for 375, 375XL series
• AG-13: 4 to 6 Inches for 475ST, 475STV series
• AG-14: 8 to 10 Inches for 475ST, 475STV series
• AG-5: 1 1/4 to 2 Inches for 975XL, 975XL2, 975XL3 series
• AG-6: 2 1/2 to 6 Inches for 375, 475, 475V series
• AG-7: 8 to 10 Inches for 375, 475 series
• AG-8: 1/4 to 1 Inches for 975XL, 975XL2, 975XL3 series
• AG-9: 4 to 6 Inches for 475V series

Materials:

• Body: Cast grey iron, epoxy painted
• Elbow: Cast grey iron, epoxy painted
• Bolts: Steel, zinc plated

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code.

Standards Compliance:

ANSI/ASME A112.1.2

Features & Benefits:

• Versatile Installation: Designed for both horizontal and vertical installations with ZURN WILKINS Reduced Pressure Principle Backflow Preventers.
• Durable Construction: Features epoxy painted cast grey iron body and elbow with zinc plated steel bolts for long-lasting performance.
• Easy Drain Line Integration: Necessary when installing a drain line and can be mounted directly to the body, accepting any standard piping material.
• Code Compliant: Meets ANSI/ASME A112.1.2 standards for air gap fittings, ensuring regulatory compliance.

FAQ

Q: What backflow preventer models is the Zurn AG-4 compatible with?

A: The Wilkins AG-4 fits 3/4 to 1 Inches 975XL/975XL2 models and 1 1/4 to 1 1/2 Inches 975XL3 models of Reduced Pressure Principle Backflow Preventers.

Q: Can the Zurn AG-4 be used for both indoor and outdoor installations?

A: Yes, the AG-4 is designed for both horizontal and vertical installations and can be used indoors. However, local codes should be consulted for specific installation requirements.

Q: What type of drain line material can be connected to the AG-4?

A: The AG-4 features a 1 Inches NPT outlet that accepts any standard piping material for drain line connections.

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