Check the listing for details. XFITTING Washing Machine Valve with Hammer Arrestor, Male NPT, Pex-B Barb, Pex-A. Color: Blue/Cold, Condition: New. Listed at 17.99 USD. The XFITTING Washing Machine Valve is a high-quality plumbing accessory designed for home improvement projects. Made of durable brass and lead-free materials, this valve features a built-in hammer arrestor for added safety. The male NPT, Pex-B Barb, and Pex-A connections make it easy to install in various plumbing systems. With a sleek design and reliable performance, this valve from XFITTING is a great addition to any home garden or plumbing setup.The XFITTING Washing Machine Valve is a high-quality plumbing accessory designed for home improvement projects. Made of durable brass and lead-free materials, this valve features a built-in hammer arrestor for added safety. The male NPT, Pex-B Barb, and Pex-A connections make it easy to install in various plumbing systems. With a sleek design and reliable performance, this valve from XFITTING is a great addition to any home garden or plumbing setup.