Upper Exhaust Valve, Welch, Duoseal, Part# 411779

Upgrade your Welch Duoseal pump with our Upper Exhaust Valve (Product Number 411779). Crafted for seamless compatibility, this valve ensures optimal upper exhaust functionality. Trust Precision Plus for reliable parts tailored to perfectly fit your Duoseal pump. Upgrade and maintain your equipment with our precision - engineered Upper Exhaust Valve, designed for durability and efficiency in Welch Duoseal pumps.