Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
APOLLO 3820101 Atmospheric Vacuum Breaker, 1/4 in, Rough Brass - Atmospheric Vacuum Breakers
APOLLOAtmospheric Vacuum Breakers

APOLLO 3820101 Atmospheric Vacuum Breaker, 1/4 in, Rough Brass

The APOLLO Vacuum Breaker (MPN 3820101) is an atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It features a 1/4 in pipe size, rough brass construction, and a maximum temperature…

SKU 3G-OTH-597079

Brand
APOLLO
Item
3820101 Atmospheric Vacuum Breaker, 1/4 in, Rough Brass
Part Number
3820101
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.
EXW Singapore
Collect or forward from our office
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
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

APOLLO
Manufacturer Part Number
3820101
Type
Rough Brass, For Water Media, Brass, 212°F
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 3820101) is an atmospheric vacuum breaker with FNPT x FNPT connections, designed for water media. It features a 1/4 in pipe size, rough brass construction, and a maximum temperature rating of 212°F.

Frequently Asked Questions

What is an APOLLO vacuum breaker used for?

An APOLLO vacuum breaker prevents back-siphonage in water systems by admitting air when pressure drops. It is used in plumbing and irrigation to protect potable water from contamination. This model handles water media up to 212°F.

What are the specifications of the APOLLO 3820101 vacuum breaker?

The APOLLO 3820101 is an atmospheric vacuum breaker with 1/4 in FNPT x FNPT connections. It is made of rough brass, rated for water media, and has a maximum temperature of 212°F. It is designed for backflow prevention in low-hazard applications.

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 order the APOLLO 3820101 or other models for your water system needs.

How to install an APOLLO atmospheric vacuum breaker?

Install the APOLLO vacuum breaker vertically and at least 6 inches above the highest downstream outlet. Ensure FNPT threads are sealed with PTFE tape. No shutoff valve should be placed downstream. Test annually per local codes to confirm proper air-inlet operation.

Used in

Common applications for APOLLO
HVAC systems — Apollo bronze ball valves with FNPT connections for isolation of chilled and hot water lines.
Natural gas distribution — Apollo UL-listed bronze ball valves rated for gas service and 600 psi CWP.
Industrial process piping — Apollo stainless steel ball valves with spring-return handles for fail-safe shutoff.
Plumbing and potable water — Apollo brass ball valves with sweat connections for copper tubing installations.
Steam service — Apollo bronze ball valves with MPTFE seals and high-temperature ratings.
Backflow prevention — Apollo bronze ball check valves with RPTFE balls for inline flow control.
Not sure this is the right part? Photo-identify it→

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 →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first