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

APOLLO 1/4 in Atmospheric Vacuum Breaker, Polished Chrome, Brass - Atmospheric Vacuum Breakers
APOLLOAtmospheric Vacuum Breakers

APOLLO 1/4 in Atmospheric Vacuum Breaker, Polished Chrome, Brass

The APOLLO Vacuum Breaker (MPN 3820106) is an atmospheric vacuum breaker with FNPT x FNPT connections, a 1/4 in pipe size, and polished chrome finish. Constructed of brass for water media with NPT threads, it is…

SKU 3G-OTH-597018

Brand
APOLLO
Item
1/4 in Atmospheric Vacuum Breaker, Polished Chrome, Brass
Category
Atmospheric Vacuum Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

APOLLO
Manufacturer Part Number
3820106
Type
Polished Chrome, For Water Media, Brass, NPT
Pipe Size
1/4 in

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

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

Product Description

The APOLLO Vacuum Breaker (MPN 3820106) is an atmospheric vacuum breaker with FNPT x FNPT connections, a 1/4 in pipe size, and polished chrome finish. Constructed of brass for water media with NPT threads, it is designed to prevent back-siphonage in potable water systems.

Frequently Asked Questions

What is an APOLLO vacuum breaker used for?

An APOLLO vacuum breaker prevents back-siphonage in potable water systems. It is installed on water lines to protect drinking water from contamination by stopping reverse flow when pressure drops. This 1/4 in FNPT model is common in commercial plumbing and irrigation applications.

What are the specifications of the APOLLO 3820106 vacuum breaker?

The APOLLO 3820106 is a 1/4 in FNPT x FNPT atmospheric vacuum breaker with a polished chrome finish. It is made of brass for water media and uses NPT threads. This model is designed for back-siphonage prevention in potable water systems and is not lead-free certified.

Where to buy APOLLO vacuum breakers worldwide?

3G Electric supplies APOLLO vacuum breakers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the APOLLO 3820106 or other models for your potable water system needs.

How to install an APOLLO atmospheric vacuum breaker?

Install the APOLLO vacuum breaker vertically at least 6 inches above the highest downstream outlet. Use PTFE tape on the FNPT threads and tighten to manufacturer torque specs. Ensure no shutoff valve is installed downstream. Test for proper operation after installation to confirm back-siphonage protection.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

APOLLO Products

3G Electric supplies APOLLO 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 APOLLO

View all APOLLO parts
Atmospheric vacuum breaker for water media, constructed of rough brass and bronze with female NPT connections. Prevents back-siphonage in plumbing systems by admitting air when pressure drops. Suitable for use in irrigation and water supply lines
APOLLO
Atmospheric vacuum breaker for water media, constructed of rough brass and bronze with female NPT connections. Prevents back-siphonage in plumbing systems by admitting air when pressure drops. Suitable for use in irrigation and water supply lines
This atmospheric vacuum breaker is constructed of bronze with a rough chrome finish and features 1/2 in FNPT x FNPT connections. It is designed for water media and certified to NSF/ANSI 372 for lead-free compliance. Used in plumbing systems to prevent backflow of contaminated water into potable water supplies
APOLLO
This atmospheric vacuum breaker is constructed of bronze with a rough chrome finish and features 1/2 in FNPT x FNPT connections. It is designed for water media and certified to NSF/ANSI 372 for lead-free compliance. Used in plumbing systems to prevent backflow of contaminated water into potable water supplies
Atmospheric vacuum breaker with 2 in female NPT connections. Constructed in rough brass and bronze for water media. Prevents back-siphonage by admitting air on pressure drop, used in irrigation and commercial plumbing systems
APOLLO
Atmospheric vacuum breaker with 2 in female NPT connections. Constructed in rough brass and bronze for water media. Prevents back-siphonage by admitting air on pressure drop, used in irrigation and commercial plumbing systems
Atmospheric vacuum breaker with 3/4 in FNPT x FNPT connections, constructed of brass with a polished chrome finish. Designed for water media and NPT threads. Used to prevent back-siphonage in water lines by admitting air when pressure drops, suitable for irrigation and plumbing systems
APOLLO
Atmospheric vacuum breaker with 3/4 in FNPT x FNPT connections, constructed of brass with a polished chrome finish. Designed for water media and NPT threads. Used to prevent back-siphonage in water lines by admitting air when pressure drops, suitable for irrigation and plumbing systems
This atmospheric vacuum breaker is constructed of bronze with a rough chrome finish and features female NPT connections on both ends. It is designed for use with water media and is certified to NSF/ANSI 372 for lead-free compliance. Typical applications include backflow prevention in potable water lines, such as irrigation systems, boiler feed lines, and process water connections
APOLLO
This atmospheric vacuum breaker is constructed of bronze with a rough chrome finish and features female NPT connections on both ends. It is designed for use with water media and is certified to NSF/ANSI 372 for lead-free compliance. Typical applications include backflow prevention in potable water lines, such as irrigation systems, boiler feed lines, and process water connections
Atmospheric vacuum breaker with 1/2 in female NPT connections, constructed from rough brass for water media. Designed to prevent back-siphonage by admitting air when system pressure drops, protecting potable water supplies. Suitable for use in irrigation, boiler feed, and other water systems where cross-connection risk exists
APOLLO
Atmospheric vacuum breaker with 1/2 in female NPT connections, constructed from rough brass for water media. Designed to prevent back-siphonage by admitting air when system pressure drops, protecting potable water supplies. Suitable for use in irrigation, boiler feed, and other water systems where cross-connection risk exists
Atmospheric vacuum breaker for water media, constructed with rough brass and bronze body. Features 3/8 inch female FNPT connections. Used in plumbing systems to prevent back-siphonage by admitting air when pressure drops
APOLLO
Atmospheric vacuum breaker for water media, constructed with rough brass and bronze body. Features 3/8 inch female FNPT connections. Used in plumbing systems to prevent back-siphonage by admitting air when pressure drops
Atmospheric vacuum breaker for water media, constructed of polished chrome brass with 1/2 in NPT female connections. Prevents back-siphonage in potable water systems. Used in irrigation, commercial plumbing, and industrial process lines
APOLLO
Atmospheric vacuum breaker for water media, constructed of polished chrome brass with 1/2 in NPT female connections. Prevents back-siphonage in potable water systems. Used in irrigation, commercial plumbing, and industrial process lines