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WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, Polished Chrome - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS Anti-Siphon Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, Polished Chrome

The WATTS Anti-Siphon Vacuum Breaker (MPN LF288AC-3/4") is an atmospheric vacuum breaker with FNPT x FNPT connections, a 3/4 in pipe size, polished chrome finish, and is designed for water media. It is certified to…

SKU 3G-OTH-597039

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

WATTS
Manufacturer Part Number
LF288AC-3/4"
Type
Polished Chrome, For Water Media
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 LF288AC-3/4") is an atmospheric vacuum breaker with FNPT x FNPT connections, a 3/4 in pipe size, polished chrome finish, and is designed for water media. It is certified to NSF/ANSI 372.

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 anti-siphon vacuum breaker used for?

A WATTS anti-siphon vacuum breaker prevents backflow of contaminated water into potable supply lines. It is installed on outdoor faucets or irrigation systems to protect against siphonage when pressure drops. This model handles water media and is certified to NSF/ANSI 372 for lead-free compliance.

What are the specifications of the WATTS LF288AC-3/4" vacuum breaker?

The WATTS LF288AC-3/4" is an atmospheric vacuum breaker with 3/4 in FNPT x FNPT connections, polished chrome finish, and is designed for water media. It is certified to NSF/ANSI 372 and carries manufacturer part number LF288AC-3/4". It is not rated for continuous pressure.

Where to buy a WATTS LF288AC-3/4" vacuum breaker worldwide?

3G Electric supplies the WATTS LF288AC-3/4" 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 prevention device.

How to install a WATTS anti-siphon vacuum breaker?

Install the WATTS vacuum breaker at least 6 inches above the highest downstream outlet to ensure proper atmospheric venting. Use thread sealant on the FNPT connections and avoid installing downstream shutoff valves. Test annually for proper operation and replace if it fails to prevent backflow.

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, 3/4 in Pipe Size, For Water Media, Brass, Female, NPT (MPN LF288A-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, For Water Media, Brass, Female, NPT (MPN LF288A-3/4"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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 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.
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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.