APOLLORepair Kits & Parts for Apollo Backflow Preventers

APOLLO Backflow: Top Half Complete Repair Kit, 3/4 in Compatible Valve Size

The APOLLO Backflow: Top Half Complete Repair Kit (SKU 3G-OTH-434314) is a repair kit for Apollo backflow preventers, compatible with 3/4 in valve sizes. It is designed for use with manufacturer model numbers…

SKU 3G-OTH-434314

Brand

APOLLO

Item

Backflow: Top Half Complete Repair Kit, 3/4 in Compatible Valve Size

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

APOLLO

Manufacturer Part Number

4A00407

Type

4A504A2F/4ALF504A2F 

Compatible Valve Size

3/4 in 

Compatible with Mfr. Model No.

4A504A2F

Technical Documents

No technical documents available for this product.

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APOLLO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the APOLLO Backflow Top Half Complete Repair Kit used for?

This repair kit is used to service Apollo backflow preventers, specifically the top half assembly. It is designed for 3/4 in compatible valve sizes and fits manufacturer models 4A504A2F and 4ALF504A2F, helping restore proper backflow prevention in plumbing systems.

What are the specifications of the APOLLO Backflow Top Half Complete Repair Kit?

The kit has a compatible valve size of 3/4 in and is compatible with Apollo manufacturer model numbers 4A504A2F and 4ALF504A2F. The manufacturer part number is 4A00407. It is a top half complete repair kit for Apollo backflow preventers.

Where to buy the APOLLO Backflow Top Half Complete Repair Kit worldwide?

3G Electric supplies the APOLLO Backflow Top Half Complete Repair Kit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine Apollo repair kit for your backflow preventer.

How to install the APOLLO Backflow Top Half Complete Repair Kit?

Installation requires shutting off water supply, depressurizing the system, and disassembling the top half of the Apollo backflow preventer. Replace worn components with the new kit parts, reassemble, and test for leaks. Always follow Apollo's guidelines and local plumbing codes for safe installation.

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 repair kits & parts for apollo backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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