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B&K ProLine 3/4 in. CTS Sizes X 3/4 in. D CTS Brass Coupling

B&K ProLine 3/4 in. CTS Sizes X 3/4 in. D CTS Brass Coupling

Discover the reliability of the B&K ProLine 3/4 in. CTS to 3/4 in. CTS Brass Coupling—a purpose-built connector crafted for durable, lead-free copper tube installations. Design…

B&K MPN 160-304NL In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $19.99. Our online price is $21.99.
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About Product Overview

Discover the reliability of the B&K ProLine 3/4 in. CTS to 3/4 in. CTS Brass Coupling—a purpose-built connector crafted for durable, lead-free copper tube installations. Designed to meet everyday plumbing demands, this brass coupling delivers a solid, corrosion-resistant joint that you can trust in your potable water system.

Key specifications

  • Material: Brass (lead-free)
  • End 1: 3/4 in CTS
  • End 2: 3/4 in CTS
  • Maximum pressure: 125 psi
  • Maximum temperature: 210°F
  • Product type: Coupling
  • Brand: B&K ProLine
  • ANSI certified: No

Why this ProLine coupling stands out

Lead-free brass matters. This coupling is designed for safe, long-lasting connections in residential and light commercial plumbing, helping reduce health risks and corrosion over time. Its CTS (Copper Tube Size) ends ensure a precise fit with 3/4 in. copper tubing, making it a dependable choice for repair work, extensions, or new runs without compromising flow or pressure performance.

Ideal use cases

  • Repairing a leaking 3/4 in. copper line in kitchens, bathrooms, or laundry rooms
  • Extending a 3/4 in. CTS copper run when updating or reconfiguring an installation
  • Replacing aging connectors in potable water systems where lead-free compliance is important
  • DIY projects and professional jobs alike, where a simple, reliable CTS-to-CTS connection is required

Practical guidance for using this coupling

Before installation, ensure both tubed ends are clean and free of burrs, and that the tubing diameter matches the 3/4 in. CTS specification. Although ANSI certification isn’t listed for this specific part, it’s well-suited for typical domestic water service and light commercial applications within its 125 psi/210°F rating. Always verify local code compliance and pair with compatible fittings as part of a well-planned assembly.

Durability and performance you can rely on

The brass construction provides robust resistance to corrosion and wear in everyday water systems, while the 3/4 in. CTS ends deliver consistent, dependable engagement across connections. The 125 psi maximum pressure and 210°F maximum temperature make this coupling suitable for standard residential water lines and many non-thermally extreme piping scenarios.

The Details Specifications

Brand B&K
UPC 032888121034
Case Pack Quantity 12 per case
Retail Unit Quantity 1
Dimensions (L × W × H) 2 × 2 × 5
Weight 1 lbs
Country of Origin CHINA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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