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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288A-3/4") is a 3/4 in, brass, female NPT atmospheric vacuum breaker for water media. It is certified to NSF/ANSI 372.

SKU 3G-OTH-597040

Brand
WATTS
Item
Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media
Category
Atmospheric Vacuum Breakers
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Technical Specifications

WATTS
Manufacturer Part Number
LF288A-3/4"
Type
For Water Media, Brass, Female, NPT
Pipe Size
3/4 in
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288A-3/4") is a 3/4 in, brass, female NPT atmospheric vacuum breaker 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. It is installed on outdoor faucets or irrigation systems to protect drinking water from pollutants. 3G Electric supplies this WATTS LF288A-3/4" model for worldwide delivery.

What are the specifications of the WATTS LF288A-3/4"?

The WATTS LF288A-3/4" is a 3/4 in pipe size, brass, female NPT atmospheric vacuum breaker for water media. It is certified to NSF/ANSI 372 for lead-free compliance. 3G Electric sources this genuine WATTS part for global supply.

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

3G Electric supplies the WATTS LF288A-3/4" anti-siphon vacuum breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote on this lead-free brass backflow preventer.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS LF288A-3/4" at least 6 inches above the highest outlet downstream. Use thread sealant on the male NPT connections and ensure the vent opens freely. 3G Electric provides genuine WATTS parts and can advise on proper installation practices.

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, 1/2 in Pipe Size, For Water Media, Brass, Female, NPT (MPN LF288A-1/2"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, For Water Media, Brass, Female, NPT (MPN LF288A-1/2"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Atmospheric Vacuum Breaker: MNPT x MNPT, 1/2 in Pipe Size, For Water Media, Brass, Male, NPT (MPN LF289-1/2"). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Atmospheric Vacuum Breaker: MNPT x MNPT, 1/2 in Pipe Size, For Water Media, Brass, Male, NPT (MPN LF289-1/2"). Key specifications — attr1058597: WATTS; attr1096789: No.
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1 in Pipe Size, Polished Chrome, For Water Media, NPT (MPN LF288AC-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, Polished Chrome, For Water Media, NPT (MPN LF288AC-1"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, Polished Chrome, For Water Media (MPN LF288AC-3/4"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, Polished Chrome, For Water Media (MPN LF288AC-3/4"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 3/4 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 3/4 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
WATTS Atmospheric Vacuum Breaker: FNPT x FNPT, 1/4 in Pipe Size, Polished Chrome, For Water Media (MPN 1/4 LFN388-C). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Atmospheric Vacuum Breaker: FNPT x FNPT, 1/4 in Pipe Size, Polished Chrome, For Water Media (MPN 1/4 LFN388-C). Key specifications — attr1058597: WATTS; attr1096789: No.
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/4 in Pipe Size, For Water Media, Brass, Female, NPT (MPN LF288A-1/4"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/4 in Pipe Size, For Water Media, Brass, Female, NPT (MPN LF288A-1/4"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, Polished Chrome, For Water Media (MPN LF288AC-1/2"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 1/2 in Pipe Size, Polished Chrome, For Water Media (MPN LF288AC-1/2"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.