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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, For Water Media - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, For Water Media

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288A-1/2") is an atmospheric vacuum breaker for water media, constructed of brass with 1/2" FNPT x FNPT connections. It is certified to NSF/ANSI 372, ensuring lead-free…

SKU 3G-OTH-597029

Brand
WATTS
Item
Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, For Water Media
Category
Atmospheric Vacuum Breakers
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Technical Specifications

WATTS
Manufacturer Part Number
LF288A-1/2"
Type
For Water Media, Brass, Female, NPT
Pipe Size
1/2 in
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288A-1/2") is an atmospheric vacuum breaker for water media, constructed of brass with 1/2" FNPT x FNPT connections. It is certified to NSF/ANSI 372, ensuring lead-free compliance for potable-water backflow prevention.

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 installed on outdoor faucets or irrigation systems to protect drinking water from siphoning hazards. This brass, 1/2" FNPT model is certified lead-free under NSF/ANSI 372.

What are the specifications of the WATTS LF288A-1/2"?

The WATTS LF288A-1/2" is a 1/2" FNPT x FNPT atmospheric vacuum breaker made of brass for water media. It is certified to NSF/ANSI 372 for lead-free compliance. The part number is LF288A-1/2" and it is not rated for continuous pressure.

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

3G Electric supplies the WATTS LF288A-1/2" anti-siphon vacuum breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this lead-free backflow preventer.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS LF288A-1/2" at least 6 inches above the highest downstream outlet. Use thread sealant on the FNPT connections and ensure the vent opens freely. Test annually for proper operation. This device must not be subjected to continuous pressure; it is for intermittent use only.

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 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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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/8 in Pipe Size, Polished Chrome, For Water Media (MPN LF288AC-3/8"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/8 in Pipe Size, Polished Chrome, For Water Media (MPN LF288AC-3/8"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/8 in Pipe Size, For Water Media, Brass, Female, NPT (MPN LF288A-3/8"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Vacuum Breaker: FNPT x FNPT, 2 1/2 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 2-1/2 LF288AM2). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Vacuum Breaker: FNPT x FNPT, 2 1/2 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 2-1/2 LF288AM2). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1 in Pipe Size, For Water Media, Brass, 33°F – 180°F (MPN LF288A-1"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1 in Pipe Size, For Water Media, Brass, 33°F – 180°F (MPN LF288A-1"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/4 in Pipe Size, Polished Chrome, For Water Media (MPN LF288AC-1/4"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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