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Bronze trap adapter, 3/4 inch C by FNPT, cast finish

Nibco, Inc.

Nibco, Inc. 7035 3/4 in C x FNPT Trap

SKU CH-JP51-249Q6 MPN 7035

Cast-bronze drop adapter with C x FNPT connections rated to 466 psi at 200 °F and serviceable from -20 °F to 400 °F

  • TypeDrain Components
  • MaterialHAWA
  • Cast bronze construction resists corrosion for long service life
  • Handles 466 psi at 200 °F for demanding pressure applications
  • Operates from -20 °F to 400 °F across wide temperature range
  • Meets ASME B 16.18 standard for reliable code compliance
  • 3/4 in C x FNPT connection fits copper tube to female pipe threads

Special Drop Adapter

The Nibco 7035 is a cast bronze drain component built for plumbing systems that require a 3/4 inch C x FNPT connection. It suits installers who need a reliable transition between tube and pipe fittings in residential or commercial pipework.

Sustained pressure and temperature range

Rated for 466 psi at 200 degrees F, the fitting maintains integrity under continuous operating pressure rather than only brief test spikes. The bronze body handles a working range from -20 to 400 degrees F, so it remains stable in both chilled-water lines and high-temperature hydronic loops.

Compatibility checks before ordering

Verify that the existing pipework uses a 3/4 inch nominal size and that the C x FNPT joint matches the required thread profile. Confirm the system design pressure and temperature stay within the stated limits and that ASME B 16.18 compliance satisfies the project specification.

Highlights

  • Cast bronze construction resists corrosion for long service life
  • Handles 466 psi at 200 °F for demanding pressure applications
  • Operates from -20 °F to 400 °F across wide temperature range
  • Meets ASME B 16.18 standard for reliable code compliance
  • 3/4 in C x FNPT connection fits copper tube to female pipe threads

Specifications

TypeDrain Components
MaterialHAWA
BrandNibco
Model7035 3/4

Questions about this item

Will the cast-bronze 7035 adapter leak or overheat when carrying 466 psi at 200 °F all day?

The fitting is rated for 466 psi at 200 °F and handles continuous operation up to 400 °F, so sustained use within those limits will not cause leaks or thermal damage.

My supply tube is 3/4 in copper — does the 7035 C × FNPT end accept it directly, or do I need an extra coupling?

The C connection is sized for 3/4 in copper tube with 7/8 in outside diameter, so it sweats on without any additional coupling.

Can the 7035 adapter join to older steel pipe threaded to ASME B 16.18 without stripping threads?

Yes — the FNPT threads follow ASME B 16.18, matching legacy steel pipe of the same nominal size for a secure joint.

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