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

APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze - Apollo RPZ Backflow Preventers
APOLLOApollo RPZ Backflow Preventers

APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze

The APOLLO Reduced Pressure Zone Backflow Preventer: 4A is a bronze RPZ backflow preventer with a 1 1/2 in pipe size and FNPT connections. It features a ball valve shut-off valve type and is identified by…

SKU 3G-OTH-449982

Brand
APOLLO
Item
Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze
Category
Apollo RPZ Backflow Preventers
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
4ALF207T2F
Type
Std Configuration, Bronze
Pipe Size
1 1/2 in
Connection Type
FNPT
Shut-Off Valve Type
Ball Valve

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 Reduced Pressure Zone Backflow Preventer: 4A is a bronze RPZ backflow preventer with a 1 1/2 in pipe size and FNPT connections. It features a ball valve shut-off valve type and is identified by manufacturer part number 4ALF207T2F.

Frequently Asked Questions

What is the APOLLO Reduced Pressure Zone Backflow Preventer 4A used for?

The APOLLO 4A RPZ backflow preventer protects potable water supplies from cross-connection contamination in commercial and industrial plumbing systems. It is installed in water lines to prevent backflow from non-potable sources, ensuring compliance with plumbing codes and safety standards.

What are the specifications of the APOLLO 4ALF207T2F backflow preventer?

The APOLLO 4ALF207T2F is a bronze reduced pressure zone backflow preventer with a 1 1/2 in pipe size and FNPT connections. It features a ball valve shut-off valve type and is a standard configuration model. The manufacturer part number is 4ALF207T2F.

Where to buy the APOLLO 4A backflow preventer worldwide?

3G Electric supplies the APOLLO 4A backflow preventer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this APOLLO RPZ backflow preventer.

How to install an APOLLO RPZ backflow preventer?

Install the APOLLO RPZ backflow preventer in a horizontal position with the relief valve facing downward. Ensure adequate clearance for testing and maintenance. Use thread sealant on FNPT connections and follow local plumbing codes. Always consult the manufacturer's installation manual for torque specifications.

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 apollo rpz backflow preventers. 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 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 Principle Backflow Assembly 1": 4A, Std Configuration, Bronze, 1 in Pipe Size, FNPSM x FNPT (MPN 4A205A2F)
APOLLO
APOLLO Principle Backflow Assembly 1": 4A, Std Configuration, Bronze, 1 in Pipe Size, FNPSM x FNPT (MPN 4A205A2F)
APOLLO Principle Backflow Assembly 2": 4A, Std Configuration, Bronze, 2 in Pipe Size, FNPSM x FNPT (MPN 4A208A2F)
APOLLO
APOLLO Principle Backflow Assembly 2": 4A, Std Configuration, Bronze, 2 in Pipe Size, FNPSM x FNPT (MPN 4A208A2F)
APOLLO Double Check Valve Assembly: 4A, 1 in Pipe Size, FNPT x FNPT, 14.63 in Overall Lg, Bronze, 4A (MPN 4ALF105A2F)
APOLLO
APOLLO Double Check Valve Assembly: 4A, 1 in Pipe Size, FNPT x FNPT, 14.63 in Overall Lg, Bronze, 4A (MPN 4ALF105A2F)

More from APOLLO

View all APOLLO parts
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1/2 in Pipe Size (MPN 4ALF203A2F)
APOLLO
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1/2 in Pipe Size (MPN 4ALF203A2F)
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 Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 2 in Pipe Size, FNPT (MPN 4ALF208T2F)
APOLLO
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 2 in Pipe Size, FNPT (MPN 4ALF208T2F)
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1 1/2 in Pipe Size (MPN 4A207A2F)
APOLLO
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1 1/2 in Pipe Size (MPN 4A207A2F)
APOLLO Principle Backflow Assembly 1/2": 4A, Std Configuration, Bronze, 1/2 in Pipe Size, Silicone (MPN 4A203A2F)
APOLLO
APOLLO Principle Backflow Assembly 1/2": 4A, Std Configuration, Bronze, 1/2 in Pipe Size, Silicone (MPN 4A203A2F)
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1 1/4 in Pipe Size (MPN 4ALF206T2F)
APOLLO
APOLLO Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1 1/4 in Pipe Size (MPN 4ALF206T2F)
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)