The Wilkins 375ASTDA is a reduced pressure detector assembly ( RPDA ). It is available in 2 ½” – 10” sizes and has been in production since 2011. Although certain parts do interchange with the 375ADA the check valve assemblies are different. The body is made of stainless steel. The 375ASTDA utilizes a 3/4″ 975XLD as its bypass assembly. The 375ASTDA is compliant with the lead free law.
American Backflow Products Company