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Horizontal Installation
Main
Meter
Vertical-Up Installation
Outdoor Installation
WattsBox Insulated Enclosures
For more information, download ES-WB.
Parallel Installation
Watts
2" 007M1DCDA
Strainer
Servicing Check Valves
1. Remove the cover bolts and cover.
2. Remove the retainer from the body bore. The check valve
modules can now be removed from the valve by hand or with a
screwdriver.
3. The check seats are attached to the cage with a bayonet type
locking arrangement. Holding the cage in one hand, push the
seat inward and rotate counterclockwise against the cage.
The seat, spring cage, and spring and disc assembly are now
individual components.
4. The disc assembly can now be cleaned and reassembled or,
depending on its condition, discarded or replaced with a new
assembly from the repair kit. O-rings should be cleaned or
replaced as necessary. (For more information, refer to repair parts
price list PL-RP-BPD.)
5. Reassemble the check valve modules. Check modules are
installed in the valve body with the seats facing the valve inlet. The
modules must be securely in place before the retainer is replaced.
No special tools required to service the assembly series.
Series 007DCDA, 2½" and 3"
Check Assemblies
Disc.
Seat
Seat
O-ring
Assy.
Exploded View
Cover O-ring
Retainer
Cage/
Spring
Seat
Cover
Retainer
Body
3
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