Model 350ASTDA 350astda
The 4" Wilkins 350ASTDA is a double check detector assembly began production in 2011 and is still currently being produced. Zurn Wilkins 350ASTR Retrofit Backflow Preventer Review Installing a Zurn Wilkins 350AST Stainless Steel Double Check Valve Assembly How to repair and rebuild Wilkins 350 8" - 12"' backflow preventer. Model 350ASTDA | Zurn The Wilkins Model 350ADA Double Check Detector Backflow Preventer Assembly is utilized for fire protection applications, with a ...