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3G Electric
WATTS LF288AC-3/8" Atmospheric Vacuum Breaker, 3/8 in, Polished Chrome - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS LF288AC-3/8" Atmospheric Vacuum Breaker, 3/8 in, Polished Chrome

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288AC-3/8") is a 3/8 in, polished chrome atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It is certified to NSF/ANSI 372.

SKU 3G-OTH-597086

Also listed as: LF288AC38 · LF288AC 3 8 · LF288AC-3-8

Brand
WATTS
Item
LF288AC-3/8" Atmospheric Vacuum Breaker, 3/8 in, Polished Chrome
Part Number
LF288AC-3/8"
Category
Atmospheric Vacuum Breakers
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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
LF288AC-3/8"
Type
Polished Chrome, For Water Media
Pipe Size
3/8 in

Technical Documents

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

Product Description

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288AC-3/8") is a 3/8 in, polished chrome atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It is certified to NSF/ANSI 372.

Frequently Asked Questions

What is a WATTS anti-siphon vacuum breaker used for?

A WATTS anti-siphon vacuum breaker prevents backflow of contaminated water into potable water lines. This 3/8 in polished chrome model (LF288AC-3/8") is used on hose bibs or service outlets to protect against siphonage in residential or commercial water systems.

What are the specifications of the WATTS LF288AC-3/8" vacuum breaker?

The WATTS LF288AC-3/8" is a 3/8 in atmospheric vacuum breaker with FNPT x FNPT connections in polished chrome. It is designed for water media and certified to NSF/ANSI 372 for lead-free compliance. The manufacturer part number is LF288AC-3/8".

Where to buy a WATTS anti-siphon vacuum breaker worldwide?

3G Electric supplies the WATTS LF288AC-3/8" anti-siphon vacuum breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this polished chrome, 3/8 in backflow prevention device.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS LF288AC-3/8" at least 6 inches above the highest downstream outlet. Ensure flow direction matches the arrow on the body. Use PTFE tape on the FNPT threads and test for leaks after installation. This device must not be subjected to continuous pressure.

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 atmospheric vacuum breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This atmospheric vacuum breaker is constructed of brass with female NPT connections for 3/4 in pipe. It is designed for water media and certified to NSF/ANSI 372. Used in plumbing systems to prevent backflow, it is typically installed on outdoor faucets or irrigation lines to protect potable water supplies
WATTS
This atmospheric vacuum breaker is constructed of brass with female NPT connections for 3/4 in pipe. It is designed for water media and certified to NSF/ANSI 372. Used in plumbing systems to prevent backflow, it is typically installed on outdoor faucets or irrigation lines to protect potable water supplies

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