We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Legend Valve

Legend Valve 105-203 1/2" S-451 Brass Swing Check Valve

SKU CH-5WR7-M05P5

A 1/2-inch brass swing check valve that prevents back-flow in plumbing systems

  • 1/2" brass swing check valve prevents backflow
  • Brass construction resists corrosion for long service life
  • S-451 design suits residential plumbing systems
  • New condition ensures reliable performance out of the box
  • California Prop 65 warning discloses chemical content

Product identity

The Legend Valve 105-203 is a 1/2 inch brass swing check valve designed for plumbing systems that require one-way flow control. It suits installers and maintenance teams working on water or compatible fluid lines.

Installation context

The valve threads into 1/2 inch pipework and uses a swing disc to prevent backflow without external power. Brass construction resists corrosion in typical potable water installations and frees the system from reverse pressure surges.

Suitability

This model fits projects needing a straightforward 1/2 inch brass check valve with swing action. Buyers who need a different connection size, a spring-loaded design or a material other than brass should look at other options.

Highlights

  • 1/2" brass swing check valve prevents backflow
  • Brass construction resists corrosion for long service life
  • S-451 design suits residential plumbing systems
  • New condition ensures reliable performance out of the box
  • California Prop 65 warning discloses chemical content

Specifications

BrandLEGEND VALVE

Questions about this item

What pressure or flow limit appears first when the 105-203 brass swing check valve runs continuously?

The valve body is rated for standard plumbing pressures; the brass disc and seat handle normal flow without a published burst or flow ceiling.

How much noise or heat does the 1/2-inch S-451 check valve generate during all-day operation?

It operates silently with no moving parts under steady flow and produces no measurable heat because it is a passive brass valve.

What pipe fittings must I already have to install the 105-203 Legend Valve?

You need 1/2-inch female NPT connections on both sides to thread the valve into your copper, steel or plastic piping.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.