Wilkins Model 350AST DC

The Wilkins 350AST is a double check valve assembly ( DCA ).  It is available in 2 ½” – 10” sizes and has been in production since 2011.  The body is made of stainless steel.  Parts are not interchangeable between the 350AST and 350A.


Parts Breakdown



Repair Procedures



Repair Videos


Repair Videos

2 1/2″ – 10″ 350AST Repair Video


Repair Guy Article


Not Currently Available


Spec Sheet





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