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Series 957/994 Flood Sensor Kit Installation Image
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957RPDA

Reduced Pressure Detector Assembly Backflow Preventers with Flood Sensor, Stainless Steel – Sizes 2 1/2 - 10 IN

Features

  • Sensor on the relief valve for flood detection
  • Extremely compact stainless steel body with stainless steel internal parts
  • Ideal for health hazard cross-connection such as on fire sprinkler systems
  • Available with quarter-turn ball valve shutoffs or grooved butterfly valve shutoffs
  • Torsion spring checks providing the lowest pressure loss
  • Lightweight stainless steel construction (70% lighter than traditional designs)
  • Flood alert feature activated with add-on connection kit, compatible with BMS and cellular communication
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Series 957RPDA reduced pressure detector assemblies feature a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve. Activated through an add-on connection kit, the sensor can trigger the alert system sending notification of flood detection to facility personnel. Connection kits are available for BMS and cellular communication.

This series help stop the reverse flow of fire protection system substances being pumped or siphoned into the potable water supply. A meter incorporated to detect ground leaks and unauthorized illegal taps greatly reduces annual water expenses. Check with local water authorities for installation requirements.

To learn more visit: https://www.watts.com/floodprotectionsystem

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 957RPDA

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Model Product Used On - Series or Model Kit Contents
88009419 Product Image
FP-RFK-BF-BMS-CFS 2 1/2-10

Activation Kit

</br>957, 957RPDA, LF957RPDA, 994, 994RPDA, C400, C500, LFC500, 4000SS, 5000SS</br>

Flood Sensor, Sensor Activation Module with Cable, Ground Wire, Power Adapter</br>
88009421 Product Image
FP-RFK-BF-CFS 2 1/2-10

Activation Kit

</br>957, 957RPDA, LF957RPDA, 994, 994RPDA, C400, C500, LFC500, 4000SS, 5000SS</br>

Flood Sensor, Sensor Activation Module with Cable, Cellular Gateway with Mounting Kit, Ground Wire, Power Adapter</br>
Product Image - RK 957-957RPDA-C 2 1-2-4
RK 957/957RPDA-C 2 1/2-4

Check Sleeve Cover Kit

</br>957, 957RPDA</br>

Closure Sleeve, Sleeve O-ring, Gasket</br>
Product Image - RK 957-957RPDA-CK2 21-2-4
RK 957/957RPDA-CK2 2 1/2-4

Second Check Kit

</br>957, LF957RPDA, 957RPDA</br>

Second Check Module, Check Module O-ring, EPDM Disc Elastomer</br>
Product Image - RK 957-957RPDA-RC4 21-2-4
RK 957/957RPDA-RC4 2 1/2-4

Check Rubber Parts Kit

</br>957, 957RPDA</br>

Check Module O-ring, EPDM Disc Elastomer, E-Clip</br>
957/957RPDA Product Image
RK 957/957RPDA-RT 2 1/2-4

Complete Rubber Parts Kit

</br>957, LF957RPDA, 957RPDA</br>

First and Second Check Module O-rings, 2 EPDM Disc Elastomers, 2 E-Clips, Relief Valve Diaphragm, Relief Valve Inlet Coupler O-ring, Relief Valve Piston Assembly</br>
957/957RPDA Product Image
RK 957/957RPDA-RV

Relief Valve Rubber Parts Kit

</br>957, LF957RPDA, 957RPDA</br>

Diaphragm, Inlet Coupler O-ring, Piston Assembly</br>
957/957RPDA Product Image
RK 957/957RPDA-VT

Total Relief Valve Kit

</br>957, LF957RPDA, 957RPDA</br>

Complete Relief Valve Assembly</br>
Product Image - RK 957-RPDA-CK1-RS 21-2-4
RK 957/RPDA-CK1-RS

First Check Kit

</br>957, 957RPDA</br>

First Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
0889371 Product Image
RK 957/RPDA-CK2-RS

Second Check Kit

</br>957, 957RPDA</br>

Second Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
Product Image - RK 957-RPDA-RC4-RS 21-2-4
RK 957/RPDA-RC4-RS

Check Rubber Parts Kit

</br>995, 995RPDA</br>

Check Module O-ring, Red Silicone Disc Elastomer, E-Clip</br>
957 Product Image
RK 957-957RPDA-CK1

First Check Kit

</br>957, LF957RPDA, 957RPDA</br>

First Check Module, Check Module O-ring, EPDM Disc Elastomer</br>
957/957RPDA Product Image
RK957/RPDA-RT-RS

Complete Rubber Parts Kit

</br>957, 957RPDA</br>

First and Second Check Module O-rings, 2 Red Silicone Disc Elastomers, 2 E-Clips, Relief Valve Diaphragm, Relief Valve Inlet Coupler O-ring, Relief Valve Piston Assembly</br>
88009418 Product Image
FP-BF-BMS 2 1/2-10

Activation Kit

</br>LF919, 957, 957RPDA, LF957RPDA, 994, 994RPDA, C400, C500, LFC500, 4000SS, 5000SS</br>

Sensor Activation Module with Cable, Ground Wire, Power Adapter</br>
88009420 Product Image
FP-BF-CFS 2 1/2-10

Activation Kit

</br>LF919, 957, 957RPDA, LF957RPDA, 994, 994RPDA, C400, C500, LFC500, 4000SS, 5000SS</br>

Sensor Activation Module with Cable, Cellular Gateway with Mounting Kit, Ground Wire, Power Adapter</br>
Product Image - Stand alone flood Sensors for Ames 994 and 957
FP-BF-SA-994/957/AMES-2 1/2-12

Upgrade/Repair Kit

</br>994, 994RPDA, 957, 957RPDA, LF957RPDA, 4000SS, 5000SS, C400, C500, LFC500</br>

Flood Sensor with 2 Mounting Bolts</br>
Product Image - RK 957-957RPDA-C 8
RK 957/957RPDA-C 8

Check Sleeve Cover Kit

</br>957, 957RPDA</br>

Closure Sleeve, Sleeve O-ring, Gasket</br>
Product Image - RK 957-957RPDA-CK1 8
RK 957/957RPDA-CK1 8

First Check Kit

</br>957, 957RPDA</br>

First Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
Product Image - RK 957-957RPDA-CK2 8
RK 957/957RPDA-CK2 8

Second Check Kit

</br>957, 957RPDA</br>

Second Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
Product Image - RK 957-957RPDA-RC4 8
RK 957/957RPDA-RC4 8

Check Rubber Parts Kit

</br>957, 957RPDA</br>

Check Module O-ring, Red Silicone Disc Elastomer, E-Clip</br>
Product Image - RK 957-957RPDA-RT 8
RK 957/957RPDA-RT 8

Complete Rubber Parts Kit

</br>957, 957RPDA</br>

First and Second Check Module O-rings, 2 Red Silicone Disc Elastomers, 2 E-Clips, Relief Valve Diaphragm, Relief Valve Inlet Coupler O-ring, Relief Valve Piston Assembly</br>
Product Image - RK 957/957RPDA-C 6
RK 957/957RPDA-C 6

Check Sleeve Cover Kit

</br>957, 957RPDA</br>

Closure Sleeve, Sleeve O-ring, Gasket</br>
Product Image - RK 957-957RPDA-CK1 6
RK 957/957RPDA-CK1 6

First Check Kit

</br>957, 957RPDA</br>

First Check Module, Check Module O-ring, EPDM Disc Elastomer</br>
Product Image - RK 957-957RPDA-CK1-RS 6
RK 957/957RPDA-CK1-RS

First Check Kit

</br>957, 957RPDA</br>

First Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
Product Image - RK 957-957RPDA-CK2 6
RK 957/957RPDA-CK2 6

Second Check Kit

</br>957, 957RPDA</br>

Second Check Module, Check Module O-ring, EPDM Disc Elastomer</br>
Product Image - RK 957-957RPDA-CK2-RS 6
RK 957/957RPDA-CK2-RS

Second Check Kit

</br>957, 957RPDA</br>

Second Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
Product Image - RK 957-957RPDA-RC4 5
RK 957/957RPDA-RC4 6

Check Rubber Parts Kit

</br>957, 957RPDA</br>

Check Module O-ring, EPDM Disc Elastomer, E-Clip</br>
Product Image - RK 957-957RPDA-RT 6
RK 957/957RPDA-RT 6

Complete Rubber Parts Kit

</br>957, 957RPDA</br>

First and Second Check Module O-rings, 2 EPDM Disc Elastomers, 2 E-Clips, Relief Valve Diaphragm, Relief Valve Inlet Coupler O-ring, Relief Valve Piston Assembly</br>
0889377 Product Image
RK 957/957RPDA-RT-RS

Complete Rubber Parts Kit

</br>957</br>

First and Second Check Module O-rings, 2 Red Silicone Disc Elastomers, 2 E-Clips, Relief Valve Diaphragm, Relief Valve Inlet Coupler O-ring, Relief Valve Piston Assembly</br>
Product Image - RK 957-957RPDA-C 10
RK 957/957RPDA-C 10

Check Sleeve Cover Kit

</br>957, 957RPDA</br>

Closure Sleeve, Sleeve O-ring, Gasket</br>
Product Image - RK 957-957RPDA-CK1 10
RK 957/957RPDA-CK1 10

First Check Kit

</br>957, 957RPDA</br>

First Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
Product Image - RK 957-957RPDA-CK2 10
RK 957/957RPDA-CK2 10

Second Check Kit

</br>957, 957RPDA</br>

Second Check Module, Check Module O-ring, Red Silicone Disc Elastomer</br>
Product Image - RK 957-957RPDA-RC4 10
RK 957/957RPDA-RC4 10

Check Rubber Parts Kit

</br>957, 957RPDA</br>

Check Module O-ring, Red Silicone Disc Elastomer, E-Clip</br>
Product Image - RK 957-957RPDA-RT 10
RK 957/957RPDA-RT 10

Complete Rubber Parts Kit

</br>957, 957RPDA</br>

First and Second Check Module O-rings, 2 Red Silicone Disc Elastomers, 2 E-Clips, Relief Valve Diaphragm, Relief Valve Inlet Coupler O-ring, Relief Valve Piston Assembly</br>
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For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.