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Watts SD2-MF 3/8" Carbonated Water Line Dual Check Backflow Preventer - Carbonated Water Line Dual Check Backflow Preventers
WattsCarbonated Water Line Dual Check Backflow Preventers

Watts SD2-MF 3/8" Carbonated Water Line Dual Check Backflow Preventer

The WATTS SD-2 is a carbonated water line dual check backflow preventer with a 3/8 in pipe size and Flare x Flare connections. It has a 2.5 gpm flow rate and a 3 in overall length (MPN SD2-MF 3/8").

SKU 3G-OTH-428537

Also listed as: SD2MF38 · SD2 MF 3 8 · SD2-MF-3-8

Brand
Watts
Item
SD2-MF 3/8" Carbonated Water Line Dual Check Backflow Preventer
Part Number
SD2-MF 3/8"
Category
Carbonated Water Line Dual Check Backflow Preventers
Available to Order
Also known as:SD2-MF 3/8"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
SD2-MF 3/8"
Type
Flare x Flare
Overall Lg
3 in
Pipe Size
3/8 in
Flow Rate
2.5 gpm
Connection Type
Flare x Flare

Technical Documents

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

Product Description

The WATTS SD-2 is a carbonated water line dual check backflow preventer with a 3/8 in pipe size and Flare x Flare connections. It has a 2.5 gpm flow rate and a 3 in overall length (MPN SD2-MF 3/8").

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 a WATTS SD-2 dual check valve used for?

The WATTS SD-2 is a carbonated water line dual check backflow preventer. It prevents reverse flow of carbonated water into potable water lines in soda fountains, beverage dispensers, and commercial kitchens, protecting water quality.

What are the specifications of the WATTS SD-2 valve?

The WATTS SD-2 has a 3/8 in pipe size, Flare x Flare connections, 2.5 gpm flow rate, and 3 in overall length. It is a dual check backflow preventer designed for carbonated water lines. Manufacturer part number SD2-MF 3/8".

Where to buy WATTS SD-2 dual check valve worldwide?

3G Electric supplies the WATTS SD-2 dual check valve worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this carbonated water line backflow preventer.

How to install a WATTS SD-2 dual check valve?

Install the WATTS SD-2 in-line with flow direction arrow pointing downstream. Use flare fittings on both ends, tighten securely without over-torquing. Test for leaks after installation. Follow local plumbing codes for backflow prevention in carbonated water lines.

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 carbonated water line 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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This dual check backflow preventer is designed for carbonated water lines in beverage dispensing systems. It features 3/8 inch FNPT x FNPT connections, a flow rate of 2.5 gpm, and an overall length of 3 inches
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This dual check backflow preventer is designed for carbonated water lines in beverage dispensing systems. It features 3/8 inch FNPT x FNPT connections, a flow rate of 2.5 gpm, and an overall length of 3 inches

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