Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
WATTS Vacuum Breaker: FNPT x FNPT, 2 in Pipe Size, For Water Media, Brass, 33°F – 180°F - Atmospheric Vacuum Breakers
WATTSAtmospheric Vacuum Breakers

WATTS Vacuum Breaker: FNPT x FNPT, 2 in Pipe Size, For Water Media, Brass, 33°F – 180°F

The WATTS Vacuum Breaker is an atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It features a 2 in pipe size, brass construction, and operates within a temperature range of 33°F to…

SKU 3G-OTH-597061

Brand
WATTS
Item
Vacuum Breaker: FNPT x FNPT, 2 in Pipe Size, For Water Media, Brass, 33°F – 180°F
Category
Atmospheric Vacuum Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

WATTS
Manufacturer Part Number
2 188A
Type
For Water Media, Brass, 33°F – 180°F, Female, NPT
Pipe Size
2 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Vacuum Breaker is an atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It features a 2 in pipe size, brass construction, and operates within a temperature range of 33°F to 180°F. This female NPT device (MPN 2 188A) is supplied by 3G Electric, a global industrial solutions provider that interprets customer demand and delivers genuine equipment across 14 departments, with specialist depth 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 2 188A model globally.

What are the specifications of the WATTS 2 188A vacuum breaker?

The WATTS 2 188A vacuum breaker has a 2 in FNPT x FNPT connection, brass body, and operates from 33°F to 180°F for water media. It is an atmospheric type with female NPT ports. 3G Electric sources this genuine WATTS part for worldwide delivery.

Where to buy a WATTS vacuum breaker worldwide?

3G Electric supplies the genuine WATTS 2 188A vacuum breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international orders. Contact us to order this brass, 2 in FNPT atmospheric vacuum breaker for water systems.

How to install a WATTS atmospheric vacuum breaker?

Install the WATTS vacuum breaker vertically at least 6 in above the highest downstream outlet. Use PTFE tape on the FNPT threads and ensure no downstream shutoff valves. 3G Electric provides genuine WATTS parts and can advise on proper selection for your water system.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from WATTS

View all WATTS parts →
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
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.
WATTS
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.
WATTS
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.
WATTS
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.
WATTS
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 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
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.
WATTS
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.
WATTS
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.