Watts Model 774X DCDA

774X DCDAThe Watts 774XDCDA is a double check detector assembly ( DCDA ).  It was available in 2 ½”, 6” & 8” sizes and was produced from 1998-2006.  The “X” models utilized the same check modules as the 774 series but were one size smaller then the pipe size.  Example:  An 8” 774X uses 6” 774 repair parts.  The 774XDCDA utilized either the ¾” 007M2 or 007M3 for the bypass assembly.

Parts Breakdown

PDF    Series 774X DCDA Parts Breakdown


Repair Procedures

PDF  Series 774X DCDA Repair Procedures

Repair Videos

6″ & 8″ 774X DCDA Repair Video

Repair Guy Article

Not Currently Available

Spec Sheet

Not Currently Available


Category: Watts
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