Ames

Model

C400

Description
Specification
Parts Breakdown

The Ames C400 is a reduced pressure assembly (RPA). It is available in 2 1/2″-10″ sizes and has been in production since 2000. The body is made of stainless steel. The Watts 957 is a private label of the C400.

Spec Sheet

Parts Breakdown

Select

product
8″ Ring Gasket/Bolt Set

Part #: GSNAG8
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6″ Ring Gasket/Bolt Set

Part #: GSNAG6
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4″ Ring Gasket/Bolt Set

Part #: GSNAG4
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3″ Ring Gasket/Bolt Set

Part #: GSNAG3
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2.5″ Ring Gasket/Bolt Set

Part #: GSNAG2.5
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10″ Ring Gasket/Bolt Set

Part #: GSNAG10
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Test Cock #1, #2, or #4

Part #: 2065573
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Test Cock #1, #2, or #4

Part #: 2065572
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10″ C400 w/ NRS

Part #: C400N-10
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10″ C400 w/ OS&Y

Part #: C400Y-10
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10″ Flg Gasket/Bolt Set

Part #: GSFFG10
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8″ C400 w/ NRS

Part #: C400N-8
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8″ C400 w/ OS&Y

Part #: C400Y-8
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8″ Flg Gasket/Bolt Set

Part #: GSFFG8
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6″ C400 w/ NRS

Part #: C400N-6
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6″ C400 w/ BFG

Part #: C400B-6
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6″ C400 w/ OS&Y

Part #: C400Y-6
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6″ Flange x Groove Adapter

Part #: 7010455
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6″ Flexible Grooved Coupling

Part #: GCC-6
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6″ Flg Gasket/Bolt Set

Part #: GSFFG6
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4″ C400 w/ BFG

Part #: C400B-4
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4″ C400 w/ OS&Y

Part #: C400Y-4
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4″ C400 w/ NRS

Part #: C400N-4
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4″ Flange x Groove Adapter

Part #: 7010453
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4″ Flexible Grooved Coupling

Part #: GCC-4
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4″ Flg Gasket/Bolt Set

Part #: GSFFG4
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3″ C400 w/ NRS

Part #: C400N-3
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3″ C400 w/ OS&Y

Part #: C400Y-3
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3″ Flg Gasket/Bolt Set

Part #: GSFFG3
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Air Gap

Part #: 7018367
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2 1/2″ C400 w/ NRS

Part #: C400N-25
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2 1/2″ C400 w/ OS&Y

Part #: C400Y-25
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2-1/2″ Flg Gasket/Bolt Set

Part #: GSFFG2.5
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1st or 2nd Check Rubber Rebuild

Part #: 7010039
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2nd Check Assembly

Part #: 7010033
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1st Check Assembly

Part #: 7010027
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Complete Rubber Rebuild

Part #: 7010045
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Sleeve Assembly

Part #: 7020201
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Relief Valve Hose

Part #: 7018893
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1st or 2nd Check Rubber Rebuild

Part #: 7010038
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2nd Check Assembly

Part #: 7010032
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1st Check Assembly

Part #: 7010026
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Complete Rubber Rebuild

Part #: 7010044
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Sleeve Assembly

Part #: 7020200
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1st or 2nd Check Rubber Rebuild

Part #: 7010037
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2nd Check Assembly

Part #: 7010031
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1st Check Assembly

Part #: 7010025
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Complete Rubber Rebuild

Part #: 7010043
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Sleeve Assembly

Part #: 7020199
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Relief Valve Hose

Part #: 7018892
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Test Cock #3

Part #: 7018153
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Sleeve O-Ring (Set of 2)

Part #: 7017921x2
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Check Repair Bolt

Repair Procedures

Part #: CM-610
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Sleeve Assembly

Part #: 7020198
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Relief Valve Hose

Part #: 7018890
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Relief Valve Rubber Rebuild

Part #: 7010047
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1st or 2nd Check Rubber Rebuild

Part #: 7010035
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Relief Valve Assembly

Part #: 7010046
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2nd Check Assembly

Part #: 7010029
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1st Check Assembly

Part #: 7010023
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Complete Rubber Rebuild

Part #: 7010041
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Test Cock #3

Part #: 7018152
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Sleeve O-Ring (Set of 2)

Part #: 7017896x2
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Outlet Shutoff Valve

Part #: 2065573
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Backflow Preventer Repair Manual

Part #: BFCAT
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Outlet Shutoff Valve

Part #: 2065572
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Ames

C400

Select

8″ Ring Gasket/Bolt Set

6″ Ring Gasket/Bolt Set

4″ Ring Gasket/Bolt Set

3″ Ring Gasket/Bolt Set

2.5″ Ring Gasket/Bolt Set

10″ Ring Gasket/Bolt Set

Test Cock #1, #2, or #4

Test Cock #1, #2, or #4

10″ C400 w/ NRS

10″ C400 w/ OS&Y

10″ Flg Gasket/Bolt Set

8″ C400 w/ NRS

8″ C400 w/ OS&Y

8″ Flg Gasket/Bolt Set

6″ C400 w/ NRS

6″ C400 w/ BFG

6″ C400 w/ OS&Y

6″ Flange x Groove Adapter

6″ Flexible Grooved Coupling

6″ Flg Gasket/Bolt Set

4″ C400 w/ BFG

4″ C400 w/ OS&Y

4″ C400 w/ NRS

4″ Flange x Groove Adapter

4″ Flexible Grooved Coupling

4″ Flg Gasket/Bolt Set

3″ C400 w/ NRS

3″ C400 w/ OS&Y

3″ Flg Gasket/Bolt Set

Air Gap

2 1/2″ C400 w/ NRS

2 1/2″ C400 w/ OS&Y

2-1/2″ Flg Gasket/Bolt Set

1st or 2nd Check Rubber Rebuild

2nd Check Assembly

1st Check Assembly

Complete Rubber Rebuild

Sleeve Assembly

Relief Valve Hose

1st or 2nd Check Rubber Rebuild

2nd Check Assembly

1st Check Assembly

Complete Rubber Rebuild

Sleeve Assembly

1st or 2nd Check Rubber Rebuild

2nd Check Assembly

1st Check Assembly

Complete Rubber Rebuild

Sleeve Assembly

Relief Valve Hose

Test Cock #3

Sleeve O-Ring (Set of 2)

Check Repair Bolt

Sleeve Assembly

Relief Valve Hose

Relief Valve Rubber Rebuild

1st or 2nd Check Rubber Rebuild

Relief Valve Assembly

2nd Check Assembly

1st Check Assembly

Complete Rubber Rebuild

Test Cock #3

Sleeve O-Ring (Set of 2)

Outlet Shutoff Valve

Backflow Preventer Repair Manual

Outlet Shutoff Valve