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Watts Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor - Watts RPZ Backflow Preventers
WattsWatts RPZ Backflow Preventers

Watts Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor

The Watts 957 Reduced Pressure Zone Backflow Preventer (MPN 957-OSY3) is a flange-connected RPZ backflow preventer with a 3-inch pipe size. It features an OSY gate valve shut-off valve type and includes a flood…

SKU 3G-OTH-444405

Also listed as: 957OSY3 · 957 OSY3

Brand
Watts
Item
Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor
Category
Watts RPZ Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
957-OSY3
Type
with Flood Detection Sensor
Pipe Size
3 in
Connection Type
Flange
Shut-Off Valve Type
OSY Gate Valve

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Watts 957 Reduced Pressure Zone Backflow Preventer (MPN 957-OSY3) is a flange-connected RPZ backflow preventer with a 3-inch pipe size. It features an OSY gate valve shut-off valve type and includes a flood detection sensor.

Frequently Asked Questions

What is the Watts 957 RPZ backflow preventer used for?

The Watts 957 reduced pressure zone backflow preventer protects potable water supplies from cross-connection contamination in commercial and industrial systems. Its flood detection sensor alerts to leakage, making it suitable for high-hazard applications where backflow prevention is critical.

What are the specifications of the Watts 957-OSY3 backflow preventer?

The Watts 957-OSY3 is a 3-inch flange-connected RPZ backflow preventer with an OSY gate valve shut-off and an integrated flood detection sensor. It is designed for high-hazard cross-connection control and is supplied by 3G Electric as part of their industrial flow-control offering.

Where to buy the Watts 957-OSY3 backflow preventer worldwide?

3G Electric supplies the Watts 957-OSY3 reduced pressure zone backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery coordination, ensuring the correct flange-connected RPZ with flood detection sensor reaches your industrial facility.

How to install a Watts 957 RPZ backflow preventer?

Install the Watts 957 RPZ backflow preventer in a horizontal position with adequate clearance for testing and maintenance. Ensure the flood detection sensor is positioned to detect leakage. Follow local plumbing codes and the manufacturer's instructions for flange connections and OSY gate valve operation.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts watts rpz backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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