We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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 is a flange-connected RPZ backflow preventer featuring an OSY Gate Valve shut-off valve. This model, with manufacturer part number 957-OSY 21/2, is designed for…

SKU 3G-OTH-444360

Also listed as: 957OSY212 · 957 OSY 21 2 · 957-OSY-21-2

Brand
Watts
Item
Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor
Category
Watts RPZ Backflow Preventers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
957-OSY 21/2
Type
with Flood Detection Sensor
Pipe Size
2 1/2 in
Connection Type
Flange
Shut-Off Valve Type
OSY Gate Valve

Technical Documents

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

Product Description

The Watts 957 Reduced Pressure Zone Backflow Preventer is a flange-connected RPZ backflow preventer featuring an OSY Gate Valve shut-off valve. This model, with manufacturer part number 957-OSY 21/2, is designed for 2 1/2-inch pipe size and includes a Flood Detection Sensor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Watts 957 Reduced Pressure Zone Backflow Preventer used for?

The Watts 957 RPZ backflow preventer is used in commercial and industrial water systems to prevent reverse flow of contaminated water into the potable supply. It is ideal for high-hazard applications where back-siphonage or back-pressure could occur, such as in irrigation, fire protection, and process water lines.

What are the specifications of the Watts 957 RPZ backflow preventer?

The Watts 957 RPZ backflow preventer has a 2 1/2 in pipe size, flange connection type, and an OSY Gate Valve shut-off valve. It includes a Flood Detection Sensor and carries manufacturer part number 957-OSY 21/2. This model is designed for high-hazard backflow prevention in commercial water systems.

Where to buy the Watts 957 RPZ backflow preventer worldwide?

3G Electric supplies the Watts 957 RPZ backflow preventer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this model with part number 957-OSY 21/2.

How to install the Watts 957 RPZ backflow preventer?

Install the Watts 957 RPZ backflow preventer in a horizontal or vertical orientation with adequate clearance for testing and maintenance. Ensure the flange connections are properly gasketed and torqued to manufacturer specifications. Always follow local plumbing codes and install a Watts-approved test kit for annual certification.

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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