Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Watts Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel - Watts RPZ Backflow Preventers
WattsWatts RPZ Backflow Preventers

Watts Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel

The Watts 994 Reduced Pressure Zone Assembly is a Watts RPZ Backflow Preventer featuring a flange connection and an NRS gate valve shut-off valve type. This model, with manufacturer part number 994-NRS, is…

SKU 3G-OTH-444393

Also listed as: 994NRS · 994 NRS

Brand
Watts
Item
Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel
Category
Watts RPZ Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
994-NRS
Type
Std Configuration, Stainless Steel
Pipe Size
6 in
Connection Type
Flange
Shut-Off Valve Type
NRS Gate Valve

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Watts 994 Reduced Pressure Zone Assembly is a Watts RPZ Backflow Preventer featuring a flange connection and an NRS gate valve shut-off valve type. This model, with manufacturer part number 994-NRS, is constructed with stainless steel and has a 6-inch pipe size.

Frequently Asked Questions

What is a Watts 994 Reduced Pressure Zone Assembly used for?

The Watts 994 RPZ backflow preventer protects potable water supplies from cross-connection contamination in commercial, industrial, and municipal systems. It uses a reduced pressure zone design to prevent backflow from non-potable sources, ensuring compliance with plumbing codes and safety standards.

What are the specifications of the Watts 994 RPZ backflow preventer?

The Watts 994 RPZ assembly has a 6 in pipe size, flange connection, and NRS gate valve shut-off. It is constructed with stainless steel in a standard configuration. The manufacturer part number is 994-NRS. This model is designed for high-flow applications requiring reliable backflow prevention.

Where to buy a Watts 994 RPZ backflow preventer worldwide?

3G Electric supplies the Watts 994 RPZ backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Watts equipment and support your procurement from inquiry to installation.

How to install a Watts 994 Reduced Pressure Zone Assembly?

Install the Watts 994 RPZ assembly in a horizontal position with adequate clearance for testing and maintenance. Ensure the flange connections are properly aligned and gasketed. Follow local plumbing codes and the manufacturer's instructions for pressure testing and commissioning to verify backflow prevention performance.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 8 in Pipe Size (MPN 994-NRS)
Watts
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 8 in Pipe Size (MPN 994-NRS)
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 4 in Pipe Size (MPN 994-NRS)
Watts
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 4 in Pipe Size (MPN 994-NRS)
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 2 1/2 in Pipe Size (MPN 994-NRS)
Watts
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 2 1/2 in Pipe Size (MPN 994-NRS)
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 10 in Pipe Size (MPN 994-NRS)
Watts
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 10 in Pipe Size (MPN 994-NRS)
WATTS Reduced Pressure Zone Assembly: 009, Std Configuration, Bronze, 1/2 in Pipe Size, FNPT (MPN 009-QT-SH)
Watts
WATTS Reduced Pressure Zone Assembly: 009, Std Configuration, Bronze, 1/2 in Pipe Size, FNPT (MPN 009-QT-SH)
WATTS Reduced Pressure Zone Assembly: 009, Std Configuration, Bronze, 3/4 in Pipe Size, FNPT (MPN 009M3-QT-SH)
Watts
WATTS Reduced Pressure Zone Assembly: 009, Std Configuration, Bronze, 3/4 in Pipe Size, FNPT (MPN 009M3-QT-SH)

More from Watts

View all Watts parts
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
Watts
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
Watts
WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS)
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, FNPT (MPN 1/2 LF009-QT-FS)
Watts
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, FNPT (MPN 1/2 LF009-QT-FS)
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 3 in Pipe Size (MPN 994-NRS)
Watts
WATTS Reduced Pressure Zone Assembly: 994, Std Configuration, Stainless Steel, 3 in Pipe Size (MPN 994-NRS)
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, NPT (MPN 2 LF009-QT-FS)
Watts
WATTS Single access cover and modular check construction for the ease of maintenance: LF009, NPT (MPN 2 LF009-QT-FS)
WATTS Backflow Preventer: 009, Std Configuration, Bronze, 1 in Pipe Size, FNPT, 33°F – 180°F (MPN 1 009M2-QT)
Watts
WATTS Backflow Preventer: 009, Std Configuration, Bronze, 1 in Pipe Size, FNPT, 33°F – 180°F (MPN 1 009M2-QT)
WATTS Pressure Safety Relief Valve: LF909 Small, with Flood Detection Sensor, Copper Silicon Alloy (MPN 0391012)
Watts
WATTS Pressure Safety Relief Valve: LF909 Small, with Flood Detection Sensor, Copper Silicon Alloy (MPN 0391012)
WATTS Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor, 3 in Pipe Size (MPN 957-OSY3)
Watts
WATTS Reduced Pressure Zone Backflow Preventer: 957, with Flood Detection Sensor, 3 in Pipe Size (MPN 957-OSY3)