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WATTS Atmospheric Vacuum Breaker: FNPT x FNPT, 3/8 in Pipe Size, Polished Chrome - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS Atmospheric Vacuum Breaker: FNPT x FNPT, 3/8 in Pipe Size, Polished Chrome

The WATTS Atmospheric Vacuum Breaker (MPN 3/8 LFN388-C) is a 3/8 in FNPT x FNPT device in polished chrome for water media. We interpret your demand, source this genuine WATTS part, and support your application across…

SKU 3G-OTH-597019

Brand
WATTS
Item
Atmospheric Vacuum Breaker: FNPT x FNPT, 3/8 in Pipe Size, Polished Chrome
Category
Atmospheric Vacuum Breakers
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Technical Specifications

WATTS
Manufacturer Part Number
3/8 LFN388-C
Type
Polished Chrome, For Water Media
Pipe Size
3/8 in
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Atmospheric Vacuum Breaker (MPN 3/8 LFN388-C) is a 3/8 in FNPT x FNPT device in polished chrome for water media. We interpret your demand, source this genuine WATTS part, and support your application across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

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 atmospheric vacuum breaker used for?

A WATTS atmospheric vacuum breaker prevents back-siphonage in water lines by venting air when pressure drops. It is used in irrigation, commercial plumbing, and industrial water systems to protect potable water supplies from contamination.

What are the specifications of the WATTS 3/8 LFN388-C?

The WATTS 3/8 LFN388-C is a 3/8 in FNPT x FNPT atmospheric vacuum breaker in polished chrome for water media. It is designed for backflow prevention in water systems and is manufactured by WATTS.

Where to buy a WATTS atmospheric vacuum breaker worldwide?

3G Electric supplies the genuine WATTS atmospheric vacuum breaker worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order the 3/8 LFN388-C or other WATTS backflow prevention devices.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS atmospheric vacuum breaker vertically above the highest outlet in the line. Ensure the FNPT connections are sealed with thread tape and the device is accessible for inspection. Test annually per local plumbing codes to confirm proper venting.

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 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 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 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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