Install Instructions

ManualsBrandsWatts ManualsBackflow Preventers6" Reduced Pressure Detector Assembly (957RPDA-OSY-CFM)

ORDERING NO. SIzE MODEL

in. mm

Check Sleeve Cover Kits

0899240 2

⁄2 - 4 65-100 RK 957/957RPDA C

0899241 6 150 RK 957/957RPDA C

0899242 8 200 RK 957/957RPDA C

0899243 10 250 RK 957/957RPDA C

Kit consists of: Closure sleeve, Sleeve O-ring and gasket.

ORDERING NO. SIzE DISC MODEL

in. mm

Total Rubber Parts Kits

0899244 2

⁄2 - 4 65-100 EPDM RK 957/957RPDA RT

0889373 2

⁄2 - 4 65-100 RED SILICONE RK 957/957RPDA RT-RS

0899245 6 150 EPDM RK 957/957RPDA RT

0889377 6 150 RED SILICONE RK 957/957RPDA RT-RS

0899246 8 200 RED SILICONE RK 957/957RPDA RT

0899247 10 250

RED SILICONE

RK 957/957RPDA RT

Kit consists of: 1st and 2nd Check module O-ring, (2) Disc elastomer, (2) E-clips,

Relief valve diaphragm, Relief valve inlet coupler O-ring and Relief valve piston

assembly.

Series 957, 957N, 957Z,

957RPDA, LF957RPDA, 957NRPDA,

LF957NRPDA, 957ZRPDA, LF957ZRPDA

Check Repair Kits

Closure Sleeve Test Cock with O-ring

Closure Sleeve

E-clip

Disc, Elastomer Shutoff

Second Check Module

Sleeve O-ring and Gasket

Check Module O-ring

First Check Module

Relief Valve

ORDERING NO. SIzE DISC MODEL

in. mm

1st Check Kits

7018129 2

⁄2 - 4 65-100 EPDM RK 957/957RPDA CK1

0889370 2

⁄2 - 4 65-100 RED SILICONE RK 957/957RPDA CK1-RS

7018132 6 150 EPDM RK 957/957RPDA CK1

0889374 6 150 RED SILICONE RK 957/957RPDA CK1-RS

7018135 8 200 RED SILICONE RK 957/957RPDA CK1

0899215 10 250

RED SILICONE

RK 957/957RPDA CK1

Kit consists of: First check module, Check module O-ring and Disc elastomer.

2nd Check Kits

0899216 2

⁄2 - 4 65-100 EPDM RK 957/957RPDA CK2

0889371 2

⁄2 - 4 65-100 RED SILICONE RK 957/957RPDA CK2-RS

0899217 6 150 EPDM RK 957/957RPDA CK2

0889375 6 150 RED SILICONE RK 957/957RPDA CK2-RS

0899218 8 200 RED SILICONE RK 957/957RPDA CK2

0899219 10 250

RED SILICONE

RK 957/957RPDA CK2

Kit consists of: Second check module, Check module O-ring and Disc elastomer.

1st or 2nd Check Rubber Parts Kits

0899220 2

⁄2 - 4 65-100 EPDM RK 957/957RPDA RC4

0889372 2

⁄2 - 4 65-100 RED SILICONE RK 957/957RPDA RC4-RS

0899221 6 150 EPDM RK 957/957RPDA RC4

0889376 6 150 RED SILICONE RK 957/957RPDA RC4-RS

0899222 8 200 RED SILICONE RK 957/957RPDA RC4

0899223 10 250

RED SILICONE

RK 957/957RPDA RC4

Kit consists of: Check module O-ring, Disc elastomer and E-clip