The Wilkins 1260XL-A is a lead-free water hammer arrester engineered to protect residential and light commercial plumbing systems from pressure surges caused by quick valve closure.

Key Specifications:

• Size: 1/2 Inches MNPT
• Maximum Static Pressure: 250 PSI
• Temperature Range: 32°F to 212°F
• Notable Certifications: PDI WH-201, ASSE 1010
• Connection Type: Threaded ANSI/ASME B1.20.1

Other Related Variants:

• 1260XL-B: 3/4 Inches MNPT version
• 1260XL-C: 1 Inches MNPT version

Materials:

• Seamless Type L copper tube body
• C69300 low lead brass tailpiece
• Polycarbonate piston
• EPDM O-rings
• Lead-free solder
• Dow-Corning Silicone Compound #111 lubricant

Typical Installation:

The Zurn 1260XL-A is ideal for installation on residential branch lines serving fixtures with 1 to 11 fixture units. Install on multi-fixture branch lines of 20 feet or less between the last two fixtures, or on branch lines exceeding 20 feet with additional arresters placed strategically. Suitable for installation near quick-closing valves on water closets, lavatories, and other plumbing fixtures. May be installed within a stud bay without an access panel. Also effective on long runs of piping to remote equipment when located as close as possible to the point of quick closure.

Standards Compliance:

PDI Certified WH-201; ASSE Listed 1010; ANSI A112.26.1; UPC Listed; NSF/ANSI/CAN 372

Features & Benefits:

• Surge Protection: Absorbs pressure surges up to 400 PSI with factory-sealed nitrogen precharge at 60 PSI, protecting plumbing systems from water hammer damage.
• Lead-Free Compliance: Meets NSF/ANSI/CAN 372 low-lead requirements with 0.25% maximum weighted average lead content for safe drinking water applications.
• Maintenance-Free Design: Factory pre-charged and permanently sealed construction eliminates the need for maintenance or access panels during installation.
• Versatile Application: Suitable for fixture unit loads from 1 to 11, ideal for residential and light commercial branch line protection.

FAQ

Q: What is the maximum static pressure rating for the Wilkins 1260XL-A?

A: The maximum static pressure rating is 250 PSI. For best performance, static line pressure should not exceed 80 PSI.

Q: Can this water hammer arrester be installed inside a wall without an access panel?

A: Yes, the Zurn 1260XL-A may be installed within a stud bay without the need for an access panel due to its maintenance-free sealed design.

Q: How many fixture units can the 1260XL-A model protect?

A: The 1260XL-A PDI size A model is designed to protect fixture unit loads from 1 to 11 on 1/2 inch pipe systems.

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