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Watts 9D-M2-3/4" Continuous Pressure Dual Check Backflow Preventer - Continuous Pressure Dual Check Backflow Preventers
WattsContinuous Pressure Dual Check Backflow Preventers

Watts 9D-M2-3/4" Continuous Pressure Dual Check Backflow Preventer

The WATTS 9D-M2-3/4" is a continuous pressure dual check backflow preventer with an atmospheric vent, featuring a 3/4" pipe size and FNPT x FNPT connections. It has a flow rate of 18.7 gpm and is constructed from brass.

SKU 3G-OTH-430232

Also listed as: 9DM234 · 9D M2 3 4 · 9D-M2-3-4

Brand
Watts
Item
9D-M2-3/4" Continuous Pressure Dual Check Backflow Preventer
Part Number
9D-M2-3/4"
Category
Continuous Pressure Dual Check Backflow Preventers
Available to Order
Also known as:9D-M2-3/4"Watts
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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
9D-M2-3/4"
Type
FNPT x FNPT, Brass
Pipe Size
3/4 in
Flow Rate
18.7 gpm
Connection Type
FNPT x FNPT

Technical Documents

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

Product Description

The WATTS 9D-M2-3/4" is a continuous pressure dual check backflow preventer with an atmospheric vent, featuring a 3/4" pipe size and FNPT x FNPT connections. It has a flow rate of 18.7 gpm and is constructed from brass.

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 9D-M2-3/4" dual check backflow preventer used for?

The WATTS 9D-M2-3/4" is a continuous pressure dual check backflow preventer with an atmospheric vent, used to protect potable water supplies from backflow contamination in commercial and industrial plumbing systems. It is suitable for applications where continuous pressure is present, such as boiler feed lines and irrigation systems.

What are the specifications of the WATTS 9D-M2-3/4" backflow preventer?

The WATTS 9D-M2-3/4" has a 3/4 in pipe size with FNPT x FNPT connections, a flow rate of 18.7 gpm, and a brass body construction. It is a continuous pressure dual check backflow preventer with an atmospheric vent, designed for reliable backflow prevention in water supply lines.

Where to buy the WATTS 9D-M2-3/4" backflow preventer worldwide?

You can source the WATTS 9D-M2-3/4" backflow preventer through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine WATTS products for your backflow prevention needs.

How to install the WATTS 9D-M2-3/4" dual check backflow preventer?

Install the WATTS 9D-M2-3/4" in a horizontal or vertical position with the flow arrow pointing downstream. Ensure the atmospheric vent is unobstructed and above grade. Use pipe thread sealant on the FNPT connections and test the assembly per local codes after installation to verify proper operation.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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Watts Products

3G Electric supplies Watts continuous pressure dual check 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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Brass dual check backflow preventer with atmospheric vent for continuous pressure service. 1/4 in FNPT x FNPT connections, 7 gpm flow rate. Used in potable water systems to prevent backflow contamination
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Brass dual check backflow preventer with atmospheric vent for continuous pressure service. 1/4 in FNPT x FNPT connections, 7 gpm flow rate. Used in potable water systems to prevent backflow contamination

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