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WATTS LF288A-1/4" Atmospheric Vacuum Breaker, 1/4 in FNPT, Brass - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS LF288A-1/4" Atmospheric Vacuum Breaker, 1/4 in FNPT, Brass

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288A-1/4") is an atmospheric vacuum breaker for water media, constructed of brass with 1/4" FNPT x FNPT connections. It is certified to NSF/ANSI 372.

SKU 3G-OTH-597066

Also listed as: LF288A14 · LF288A 1 4 · LF288A-1-4

Brand
WATTS
Item
LF288A-1/4" Atmospheric Vacuum Breaker, 1/4 in FNPT, Brass
Part Number
LF288A-1/4"
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
LF288A-1/4"
Type
For Water Media, Brass, Female, NPT
Pipe Size
1/4 in

Technical Documents

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

Product Description

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288A-1/4") is an atmospheric vacuum breaker for water media, constructed of brass with 1/4" FNPT x FNPT connections. 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. It is used on irrigation systems, hose bibs, and process water connections to protect against siphonage under non-continuous pressure conditions.

What are the specifications of the WATTS LF288A-1/4" vacuum breaker?

The WATTS LF288A-1/4" is a 1/4 in FNPT x FNPT atmospheric vacuum breaker made of brass for water media. It is certified to NSF/ANSI 372 for lead-free compliance. The model is LF288A-1/4" and is not rated for continuous pressure.

Where to buy a WATTS LF288A-1/4" vacuum breaker worldwide?

3G Electric supplies the WATTS LF288A-1/4" 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 lead-free brass backflow preventer.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS vacuum breaker vertically and at least 6 inches above the highest downstream outlet. Ensure no shutoff valve is placed downstream. The device must be installed in a non-continuous pressure application and tested annually per local codes.

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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