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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
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
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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This pressure vacuum breaker is designed for water media to prevent backflow in plumbing systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F. Suitable for use in irrigation and other water supply applications where backflow prevention is required
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This pressure vacuum breaker is designed for water media to prevent backflow in plumbing systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F. Suitable for use in irrigation and other water supply applications where backflow prevention is required
This pressure vacuum breaker is designed for water media to prevent backflow in potable water systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F. Typical applications include irrigation and commercial plumbing systems where backflow prevention is required
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This pressure vacuum breaker is designed for water media to prevent backflow in potable water systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F. Typical applications include irrigation and commercial plumbing systems where backflow prevention is required
This lead-free pressure vacuum breaker is designed to prevent backflow of contaminated water into potable water lines. It features FNPT x FNPT connections and is suitable for water media within a temperature range of 33°F to 140°F. Commonly used in irrigation, industrial process water, and plumbing systems requiring anti-siphon protection
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This lead-free pressure vacuum breaker is designed to prevent backflow of contaminated water into potable water lines. It features FNPT x FNPT connections and is suitable for water media within a temperature range of 33°F to 140°F. Commonly used in irrigation, industrial process water, and plumbing systems requiring anti-siphon protection
This lead-free pressure vacuum breaker is designed for water media to prevent backflow contamination in potable water systems. It features FNPT x FNPT connections and is constructed from bronze. Typical applications include irrigation and commercial water lines where anti-siphon protection is required
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This lead-free pressure vacuum breaker is designed for water media to prevent backflow contamination in potable water systems. It features FNPT x FNPT connections and is constructed from bronze. Typical applications include irrigation and commercial water lines where anti-siphon protection is required
This lead-free pressure vacuum breaker is designed for water media and prevents back-siphonage in plumbing systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 180°F. Typical applications include irrigation and water supply lines where backflow protection is required
Watts
This lead-free pressure vacuum breaker is designed for water media and prevents back-siphonage in plumbing systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 180°F. Typical applications include irrigation and water supply lines where backflow protection is required
This lead-free pressure vacuum breaker is designed for water media to prevent back-siphonage in plumbing systems. It features FNPT x FNPT connections and a bronze body with NPT threading. Suitable for commercial and residential applications where backflow protection is required
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This lead-free pressure vacuum breaker is designed for water media to prevent back-siphonage in plumbing systems. It features FNPT x FNPT connections and a bronze body with NPT threading. Suitable for commercial and residential applications where backflow protection is required

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Atmospheric vacuum breaker for water media, constructed of brass with 3/8 in female NPT connections. Certified to NSF/ANSI 372 for lead-free compliance. Used to prevent backflow and siphonage in water supply lines
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Brass atmospheric vacuum breaker for water media with 2-1/2 in female NPT connections. Prevents back-siphonage by venting air during pressure drops. Temperature range 33°F to 180°F. Certified to NSF/ANSI 372 for lead-free compliance. Used in irrigation, commercial plumbing, and industrial water lines
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Brass atmospheric vacuum breaker for water media with 2-1/2 in female NPT connections. Prevents back-siphonage by venting air during pressure drops. Temperature range 33°F to 180°F. Certified to NSF/ANSI 372 for lead-free compliance. Used in irrigation, commercial plumbing, and industrial water lines
This atmospheric vacuum breaker is designed for water media to prevent backflow and protect potable water supplies from contamination due to siphonage. Constructed of brass with 1 in FNPT connections, it operates within a temperature range of 33°F to 180°F. Suitable for cross-connection control in irrigation, commercial plumbing, and industrial water systems
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This atmospheric vacuum breaker is designed for water media to prevent backflow and protect potable water supplies from contamination due to siphonage. Constructed of brass with 1 in FNPT connections, it operates within a temperature range of 33°F to 180°F. Suitable for cross-connection control in irrigation, commercial plumbing, and industrial water systems
Atmospheric vacuum breaker for water media with 1/4 in FNPT x FNPT connections. Polished chrome finish. Certified to NSF/ANSI 372 for lead-free compliance. Used to prevent backflow in potable water systems, suitable for irrigation, laboratory faucets, and commercial plumbing
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This WATTS atmospheric vacuum breaker is a 3/8 in FNPT x FNPT device in polished chrome finish for water media. It prevents back-siphonage by venting air when pressure drops, protecting potable water supplies. Typical applications include irrigation systems, commercial plumbing, and industrial water lines
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This WATTS atmospheric vacuum breaker is a 3/8 in FNPT x FNPT device in polished chrome finish for water media. It prevents back-siphonage by venting air when pressure drops, protecting potable water supplies. Typical applications include irrigation systems, commercial plumbing, and industrial water lines
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Atmospheric vacuum breaker for water media, constructed of brass with 1-1/4 in female NPT connections. Prevents back-siphonage by venting air when system pressure drops. Suitable for use in irrigation, commercial plumbing, and industrial water lines. Temperature range 33°F to 180°F
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