Wilkins Model 475DA / 475DAV RPDA

475DA The Wilkins 475DA / 475DAV is a reduced pressure detector assembly ( RPDA ).  It is available in 4” – 10” sizes and has been in production since 1998.  The body is made of ductile iron with a fused epoxy coating.  The 475DA/375DAV utilize a ¾” 975XLD for the bypass assembly.


Parts Breakdown


PDF   Series 475DA Parts Breakdown

Repair Procedures



Repair Videos

2 ½”- 3” 475DA Repair Video

4”- 6”  475DA Repair Video

8”- 10″ 475DA Repair Video


Repair Guy Article


Not Currently Available


Spec Sheet





Category: Wilkins