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The Wilkins 114-40XL2 is a lead-free in-line single check valve designed for potable water systems, well pumps, and applications requiring tight seating and reliable backflow prevention.

Key Specifications:

• Size: 1 1/4 Inches
• Maximum Working Water Pressure: 400 psi WOG
• Maximum Working Water Temperature: 210°F
• Notable Certifications: UL Classified ANSI/NSF 61, 372
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 12-40XL2: 1/2 Inches size
• 1-40XL2: 1 Inches size
• 2-40XL2: 2 Inches size
• 34-40XL2: 3/4 Inches size

Materials:

• Body: Lead Free Brass
• Disc: Polyphenylene Sulfide
• Seat: NBR
• Spring: 300 Series Stainless Steel
• Retainer: Polyacetal

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturer's instructions and the latest edition of the Uniform Plumbing Code. Not recommended for installation in sewage ejector piping or for reciprocating air compressor service.

Standards Compliance:

UL Classified; ANSI/NSF Standard 61; ANSI/NSF Standard 372 (0.25% maximum weighted average lead content)

Features & Benefits:

• Lead-Free Compliance: Meets ANSI/NSF 372 standard with 0.25% maximum lead content for safe potable water use.
• Reliable Backflow Prevention: Tight seating design prevents backflow and eliminates reduced pressure principle discharge caused by pressure fluctuations or water hammer.
• Durable Construction: Lead-free brass body with stainless steel spring ensures long-lasting performance in demanding water systems.
• Versatile Application: Ideal for well pump systems, domestic and commercial potable water applications requiring positive backstop protection.

FAQ

Q: What applications is the Zurn 114-40XL2 designed for?

A: The Zurn 114-40XL2 is ideal for potable domestic and commercial water systems, well pump systems, and applications requiring tight seating. It serves as a positive backstop to eliminate reduced pressure principle backflow preventer discharge caused by pressure fluctuations or water hammer.

Q: Can the Wilkins 114-40XL2 be used in sewage ejector systems?

A: No, the Wilkins 114-40XL2 is not recommended for installation in sewage ejector piping or for reciprocating air compressor service.

Q: Is the Zurn 114-40XL2 lead-free certified?

A: Yes, the valve is UL Classified to ANSI/NSF Standard 372 with a maximum of 0.25% weighted average lead content, making it compliant for lead-free applications in potable water systems.

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