Wilkins Model 350ASTDA DCDA

The Wilkins 350ASTDA is a double check detector assembly ( DCDA ).  It is available in 2 ½” – 10” sizes and has been in production since 2011.  The body is made of stainless steel.  The 350ASTDA utilizes a 3/4″ 950XLD as its bypass assembly.  Parts are not interchangeable between the 350ASTDA and 350ADA.


Parts Breakdown



Repair Procedures



Repair Videos


Repair Videos

2 1/2″ – 10″ 350ASTDA Repair Video


Repair Guy Article


Not Currently Available


Spec Sheet





Category: Blog