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WATTS Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media, Brass, 33°F – 180°F - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media, Brass, 33°F – 180°F

The WATTS Vacuum Breaker (MPN 3/4 188A) is an atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It features a 3/4 in pipe size, brass construction, and operates within a temperature…

SKU 3G-OTH-597038

Brand
WATTS
Item
Vacuum Breaker: FNPT x FNPT, 3/4 in Pipe Size, For Water Media, Brass, 33°F – 180°F
Category
Atmospheric Vacuum Breakers
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Technical Specifications

WATTS
Manufacturer Part Number
3/4 188A
Type
For Water Media, Brass, 33°F – 180°F, Female
Pipe Size
3/4 in
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Vacuum Breaker (MPN 3/4 188A) is an atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It features a 3/4 in pipe size, brass construction, and operates within a temperature range of 33°F to 180°F. This female-threaded device is a genuine WATTS product, sourced and supported by 3G Electric across 14 industrial departments, with specialist expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is a WATTS vacuum breaker used for?

A WATTS vacuum breaker prevents back-siphonage in water systems by admitting air when pressure drops. It is used in irrigation, commercial plumbing, and industrial water lines to protect potable water from contamination. 3G Electric supplies this genuine WATTS 3/4 188A model worldwide.

What are the specifications of the WATTS 3/4 188A vacuum breaker?

The WATTS 3/4 188A is an atmospheric vacuum breaker with 3/4 in FNPT x FNPT connections, brass body, for water media. It operates from 33°F to 180°F. This genuine WATTS part is sourced by 3G Electric across 14 industrial departments.

Where to buy a WATTS vacuum breaker worldwide?

3G Electric supplies the genuine WATTS 3/4 188A vacuum breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this brass atmospheric vacuum breaker for water systems.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS 3/4 188A vertically at least 6 inches above the highest downstream outlet. Use thread sealant on FNPT connections and ensure no downstream shutoff valves. 3G Electric provides technical support for this genuine WATTS brass vacuum breaker.

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 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 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.