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ZURN G67991 Atmospheric Vacuum Breaker Spout, 6 in, Rough Brass, MNPT x MNPT - Atmospheric Vacuum Breaker Spouts
ZURNAtmospheric Vacuum Breaker Spouts

ZURN G67991 Atmospheric Vacuum Breaker Spout, 6 in, Rough Brass, MNPT x MNPT

The ZURN G67991 is an atmospheric vacuum breaker spout with 6-inch MNPT x MNPT connections, constructed from rough brass and brass materials for water media. This male NPT fitting does not include freeze protection.

SKU 3G-OTH-451906

Also listed as: G 67991 · G-67991

Brand
ZURN
Item
G67991 Atmospheric Vacuum Breaker Spout, 6 in, Rough Brass, MNPT x MNPT
Part Number
G67991
Category
Atmospheric Vacuum Breaker Spouts
Available to Order
Also known as:G67991ZURN
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Technical Specifications

ZURN
Manufacturer Part Number
G67991
Type
Rough Brass, For Water Media, Brass, Male, NPT
Pipe Size
6 in
Freeze Protection
No

Technical Documents

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

Product Description

The ZURN G67991 is an atmospheric vacuum breaker spout with 6-inch MNPT x MNPT connections, constructed from rough brass and brass materials for water media. This male NPT fitting does not include freeze protection.

Frequently Asked Questions

What is the ZURN G67991 vacuum breaker used for?

The ZURN G67991 is an atmospheric vacuum breaker spout used in water systems to prevent backflow contamination. It is typically installed on hose bibbs or service outlets in commercial and industrial settings to protect potable water supplies from pollutants.

What are the specifications of the ZURN G67991 vacuum breaker?

The ZURN G67991 has 6-inch MNPT x MNPT connections, is made of rough brass and brass materials, and is designed for water media. It is a male NPT fitting with no freeze protection. The manufacturer part number is G67991.

Where to buy the ZURN G67991 vacuum breaker worldwide?

You can source the ZURN G67991 vacuum breaker through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your project needs.

How to install a ZURN atmospheric vacuum breaker?

Install the ZURN G67991 on a threaded male pipe outlet using PTFE tape on the NPT threads. Ensure the breaker is installed at least 6 inches above the highest downstream outlet to prevent back-siphonage. Do not install valves downstream. Test annually per local codes.

Used in

Common applications for ZURN
Commercial roofing — Zurn Z100-3NH, Z100-6NH, and ZC100-4NH-C-R primary roof drains for flat or low-slope roof rainwater removal
Commercial restrooms — Zurn Metroflush® ZEMS6203-WS1.0004 automatic urinal flush valve with sensor activation and 1 gpf rating
Institutional shower facilities — Zurn Temp Gard Z7000-HW16-H7 handheld showerhead with hose, bracket, and slide bar
Plumbing drain access — Zurn Z1474-SDO and Z1474-4-N cast-iron cleanout housings for floor-level inspection and rodding
Concrete deck drainage — Zurn ZC100-4NH-C-R roof drain with underdeck clamp for secure installation in concrete decks
Waste line maintenance — Zurn CO2521-4 cleanout housing with adjusting screws for level adjustment in finished floors
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ZURN Products

3G Electric supplies ZURN atmospheric vacuum breaker spouts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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