Wilkins Model 450DA DCDA

450DAThe Wilkins 450DA is a double check detector  assembly ( DCDA ).  It is available 4” – 10” sizes and has been in production since 1998.  The body is made of ductile iron with a fused epoxy coating.  The 450DA utilizes a ¾” 950XLD for the bypass assembly.


Parts Breakdown



Repair Procedures



Repair Videos


Repair Videos

4”- 6” 450DA Repair Video

8”- 10” 450DA Repair Video


Repair Guy Article


Not Currently Available


Spec Sheet





Category: Wilkins