The Viega ProPress Zero Lead Check Valve (Model 2974.2ZL, Item #87185) is a 1 1/4-inch inline valve engineered for reliable backflow prevention in potable water systems. Crafted from durable brass with EPDM sealing elements, it delivers long-lasting performance and corrosion resistance. This valve features press connections and Smart Connect technology for fast, secure installations with leak detection support. Ideal for commercial and residential plumbing, it meets stringent safety and quality standards.