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Black threaded pipe nipple on plain background

Legend Valve

Legend Valve 355-186E 2-1/2" X 4" Black Nipple trap

SKU CH-8E4X-Y5S16

A 2-1/2 inch by 4 inch Schedule 40 black nipple for plumbing drain and trap connections

  • Product colorTransparent
  • Schedule 40 rating ensures reliable pressure handling
  • 2-1/2" x 4" dimensions fit standard plumbing connections
  • Black finish provides corrosion resistance for durability
  • New condition guarantees factory-quality performance
  • Proposition 65 compliance informs safe installation practices

Plumbing nipple for drainage systems

This Legend Valve 355-186E nipple connects pipe sections in drainage and trap installations. The black finish identifies it for standard plumbing use. It is manufactured to Schedule 40 specifications for reliable performance. The product carries a California Proposition 65 warning for chemical content.

Suited for standard pipe connections

This component fits projects requiring a 2-1/2 inch by 4 inch Schedule 40 black nipple. It is not intended for potable water lines or systems requiring certified lead-free materials. Buyers needing different dimensions or pressure ratings should select an alternative fitting. The transparent colour attribute appears inconsistent with the black finish described.

Schedule 40 pressure rating defines application

The Schedule 40 designation confirms the wall thickness and pressure rating for this fitting. This single specification determines whether the nipple meets the mechanical demands of the installation. Verify system requirements against this rating before purchase. The part number 355-186E identifies this specific configuration.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 84% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameLEGEND VALVE
Product colorTransparent

Questions about this item

What pipe size and thread standard does the 355-186E nipple require for a watertight seal?

It is a 2-1/2" Schedule 40 black nipple, so both ends need matching 2-1/2" NPT female threads on the connecting pipe or fitting.

Will the black steel nipple react with the copper drain lines I plan to keep?

Direct contact between black steel and copper can accelerate corrosion; use a dielectric union or brass transition fitting between the two metals.

How can I confirm the 355-186E nipple is seated correctly after assembly?

Pressurise the system and inspect every joint — no water should escape from the threads or the nipple body when the line is under normal operating pressure.

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