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

APOLLO Air Gap Drain Kit: Air Gap Drain, 4A RPZ 2 in, ABS Plastic, Backflow Preventer - Air Gap Drains
APOLLOAir Gap Drains

APOLLO Air Gap Drain Kit: Air Gap Drain, 4A RPZ 2 in, ABS Plastic, Backflow Preventer

The APOLLO Air Gap Drain Kit (SKU AGD4A2, MPN AGD4A2) is an air gap drain designed for use with the 4A RPZ 2 in backflow preventer series. Constructed from ABS plastic with female NPT connections, this kit provides a…

SKU 3G-OTH-426384

Brand
APOLLO
Item
Air Gap Drain Kit: Air Gap Drain, 4A RPZ 2 in, ABS Plastic, Backflow Preventer
Category
Air Gap Drains
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
AGD4A2
Type
4A RPZ 2 in, ABS Plastic, Backflow Preventer, Female, NPT
Product Type
Air Gap Drain
Compatible with Series
4A RPZ 2 in
Compatible Product Type
Backflow Preventer

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 Air Gap Drain Kit (SKU AGD4A2, MPN AGD4A2) is an air gap drain designed for use with the 4A RPZ 2 in backflow preventer series. Constructed from ABS plastic with female NPT connections, this kit provides a grounded drainage solution for backflow prevention systems.

Frequently Asked Questions

What is the APOLLO Air Gap Drain Kit used for?

The APOLLO Air Gap Drain Kit (MPN AGD4A2) provides a grounded drainage solution for backflow prevention systems. It is designed for use with the 4A RPZ 2 in backflow preventer series, ensuring proper air gap separation to prevent cross-connection contamination in commercial or industrial water lines.

What are the specifications of the APOLLO Air Gap Drain Kit?

The APOLLO Air Gap Drain Kit (SKU 3G-OTH-426384) is an air gap drain compatible with the 4A RPZ 2 in backflow preventer series. It is constructed from ABS plastic with female NPT connections. The product type is Air Gap Drain, and it is designed for backflow preventer applications.

Where to buy the APOLLO Air Gap Drain Kit worldwide?

3G Electric supplies the APOLLO Air Gap Drain Kit (MPN AGD4A2) worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this APOLLO backflow prevention component.

How to install the APOLLO Air Gap Drain Kit?

Install the APOLLO Air Gap Drain Kit by connecting the female NPT threads to the 4A RPZ 2 in backflow preventer drain outlet. Ensure the ABS plastic drain is positioned to allow unobstructed air gap flow. Follow local plumbing codes and the manufacturer's instructions for backflow preventer drainage to maintain proper separation.

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 air gap drains. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
APOLLO Principle Backflow Assembly 3/4": 4A, Std Configuration, Bronze, 3/4 in Pipe Size, Silicone (MPN 4A204A2F)
APOLLO
APOLLO Principle Backflow Assembly 3/4": 4A, Std Configuration, Bronze, 3/4 in Pipe Size, Silicone (MPN 4A204A2F)
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 3/4 in Pipe Size (MPN 4ALF204A2F)
APOLLO
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 3/4 in Pipe Size (MPN 4ALF204A2F)
APOLLO Backflow: Check Complete Kit, 2 1/2 in to 3 in Compatible Valve Size, Repair Kit (MPN 4A00002)
APOLLO
APOLLO Backflow: Check Complete Kit, 2 1/2 in to 3 in Compatible Valve Size, Repair Kit (MPN 4A00002)
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1 in Pipe Size, FNPT (MPN 4ALF205A2F)
APOLLO
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1 in Pipe Size, FNPT (MPN 4ALF205A2F)
APOLLO Principle Backflow Assembly 1-1/4": 4A, Std Configuration, Bronze, 1 1/4 in Pipe Size (MPN 4A206A2F)
APOLLO
APOLLO Principle Backflow Assembly 1-1/4": 4A, Std Configuration, Bronze, 1 1/4 in Pipe Size (MPN 4A206A2F)
APOLLO Backflow: Check Repair Kit, 3/4 in to 1 in Compatible Valve Size, Repair Kit, 40 (MPN 40004A2)
APOLLO
APOLLO Backflow: Check Repair Kit, 3/4 in to 1 in Compatible Valve Size, Repair Kit, 40 (MPN 40004A2)

More from APOLLO

View all APOLLO parts
APOLLO Air Gap Drain Kit: Air Gap Drain, 4A RPZ 1/2 in to 1 in, ABS Plastic, Backflow Preventer, NPT (MPN AGD4A1)
APOLLO
APOLLO Air Gap Drain Kit: Air Gap Drain, 4A RPZ 1/2 in to 1 in, ABS Plastic, Backflow Preventer, NPT (MPN AGD4A1)
APOLLO Air Gap Drain Kit: Air Gap Drain, 4A RPZ 1-1/4 in to 1-1/2 in, ABS Plastic, Female, NPT, NPT (MPN AGD4A112)
APOLLO
APOLLO Air Gap Drain Kit: Air Gap Drain, 4A RPZ 1-1/4 in to 1-1/2 in, ABS Plastic, Female, NPT, NPT (MPN AGD4A112)
APOLLO Air Gap Drain Kit: Air Gap Drain, 40207T2, ABS, Backflow Preventer, Female, NPT, Female, NPT (MPN AGD401)
APOLLO
APOLLO Air Gap Drain Kit: Air Gap Drain, 40207T2, ABS, Backflow Preventer, Female, NPT, Female, NPT (MPN AGD401)
APOLLO Air Gap Drain Kit: Air Gap Drain, 2ZXX6/2ZXX7/2ZXX8, 40201T2/40202T2/40203T2, ABS, Female (MPN AGD4012)
APOLLO
APOLLO Air Gap Drain Kit: Air Gap Drain, 2ZXX6/2ZXX7/2ZXX8, 40201T2/40202T2/40203T2, ABS, Female (MPN AGD4012)
APOLLO Series Air Gap Drain 4A: Air Gap Drain, AGD,2-1/2"-6",4A/4AN SER, ABS/PVC, Backflow Preventer (MPN AGD4A6)
APOLLO
APOLLO Series Air Gap Drain 4A: Air Gap Drain, AGD,2-1/2"-6",4A/4AN SER, ABS/PVC, Backflow Preventer (MPN AGD4A6)