Petersen 3/8" Brass Valve 100-1020

Keep fresh water flowing with the Petersen 3/8″ Brass Valve (Part #100‑1020). Designed for Petersen concrete waterers—including TBI, TBII, models 50, 74S, 75, 84S, 94S, 120S, 150, K‑9, and Thermal Pete units—this rugged brass valve ensures leak-free, consistent water delivery for livestock all year long. Built from solid brass, it resists corrosion and handles hard water conditions with ease, making it a top-tier replacement waterer part. Simple to install and backed by Petersen’s quality craftsmanship.