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

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

The WATTS Vacuum Breaker (MPN 1-1/2 LF288AM2) is an atmospheric vacuum breaker for water media, constructed of brass with FNPT x FNPT connections and a 1 1/2 in pipe size. It operates within a temperature range of…

SKU 3G-OTH-597073

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

WATTS
Manufacturer Part Number
1-1/2 LF288AM2
Type
For Water Media, Brass, 33°F – 180°F, Female
Pipe Size
1 1/2 in
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Vacuum Breaker (MPN 1-1/2 LF288AM2) is an atmospheric vacuum breaker for water media, constructed of brass with FNPT x FNPT connections and a 1 1/2 in pipe size. It operates within a temperature range of 33°F to 180°F and is certified to NSF/ANSI 372.

Frequently Asked Questions

What is a WATTS atmospheric vacuum breaker used for?

A WATTS atmospheric vacuum breaker prevents backflow of contaminated water into potable water lines. It is used on irrigation, commercial, and industrial water systems to protect against siphonage. This brass FNPT model is suitable for water media from 33°F to 180°F.

What are the specifications of the WATTS 1-1/2 LF288AM2 vacuum breaker?

The WATTS 1-1/2 LF288AM2 is a 1 1/2 in pipe size atmospheric vacuum breaker with FNPT x FNPT connections. It is made of brass for water media, operates from 33°F to 180°F, and is certified to NSF/ANSI 372 for lead-free compliance.

Where to buy a WATTS vacuum breaker worldwide?

3G Electric supplies the WATTS vacuum breaker (MPN 1-1/2 LF288AM2) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this brass atmospheric vacuum breaker.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS vacuum breaker vertically with the inlet at least 12 inches above the highest downstream outlet. Ensure no shutoff valve is placed downstream. Use thread sealant on the FNPT connections and test for proper operation after installation.

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, Polished Chrome, For Water Media (MPN LF288AC-1/2"). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Spill Resistant Vacuum Breaker: MNPT x MNPT, 3/4 in Pipe Size, For Water Media, Brass, Male (MPN LF289-3/4"). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Vacuum Breaker: FNPT x FNPT, 2 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female, NPT (MPN 2 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Vacuum Breaker: FNPT x FNPT, 1 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female, NPT (MPN 1 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Vacuum Breaker: FNPT x FNPT, 1 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female, NPT (MPN 1 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
WATTS Vacuum Breaker: FNPT x FNPT, 2 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female, NPT (MPN 2 LF288AM2). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
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WATTS Vacuum Breaker: FNPT x FNPT, 2 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female, NPT (MPN 2 LF288AM2). Key specifications — attr1058597: WATTS; attr1096789: No; attr1096794: NSF/ANSI 372.
WATTS Vacuum Breaker: FNPT x FNPT, 1 1/4 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 1-1/4 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Vacuum Breaker: FNPT x FNPT, 1 1/4 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 1-1/4 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
WATTS Vacuum Breaker: FNPT x FNPT, 1 1/2 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 1-1/2 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
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WATTS Vacuum Breaker: FNPT x FNPT, 1 1/2 in Pipe Size, For Water Media, Brass, 33°F – 180°F, Female (MPN 1-1/2 188A). Key specifications — attr1058597: WATTS; attr1096789: No.
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.