Legend Valve 105-203NL S-451NL 1/2 in. No-Lead Swing Check Valve

Legend Valve 105-203NL S-451NL 1/2 in. No-Lead Brass Swing Check Valve

Brand: Legend Valve | SKU: 105-203NL

Product Overview

The Legend Valve 105-203NL S-451NL is a 1/2-inch no-lead forged-brass swing check valve with sweat connections. It allows flow in one direction while helping prevent reverse flow in compatible piping systems.

Key Features

• No-lead forged-brass body
• Swing-check design
• Sweat x sweat connections
• 200 CWP rating

Common Uses

• Compatible plumbing and water-service applications requiring one-way flow control

Technical Specifications

• Size: 1/2 in.
• Connections: Sweat x Sweat
• Model: S-451NL
• Pressure Rating: 200 CWP

Compatibility & Installation Notes

Install in the correct flow direction and verify system pressure, temperature, media, and soldering requirements before installation.

Frequently Asked Questions

Does the 105-203NL use threaded connections?
No. Legend lists this S-451NL model with sweat x sweat connections.

Why Buy the Legend Valve 105-203NL from Big Frog Supply?

The 105-203NL is a compact no-lead swing check valve for compatible 1/2-inch sweat-connected systems.

S-451NL no-lead forged-brass full-pattern swing check valve, item 105-203NL; 1/2 in. sweat x sweat; 200 CWP. Vertical installation requires upward flow; horizontal installation requires the assembly cap upright.