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APOLLO Backflow: Top Half Complete Repair Kit, 1 in Compatible Valve Size - Repair Kits & Parts for Apollo Backflow Preventers
APOLLORepair Kits & Parts for Apollo Backflow Preventers

APOLLO Backflow: Top Half Complete Repair Kit, 1 in Compatible Valve Size

The APOLLO Backflow: Top Half Complete Repair Kit (SKU 3G-OTH-434315) is a repair kit for Apollo backflow preventers, compatible with a 1-inch valve size. It is designed for use with manufacturer model number…

SKU 3G-OTH-434315

Brand
APOLLO
Item
Backflow: Top Half Complete Repair Kit, 1 in Compatible Valve Size
Category
Repair Kits & Parts for Apollo Backflow Preventers
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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
4A00507
Type
4A505A2F/4ALF505A2F
Compatible Valve Size
1 in
Compatible with Mfr. Model No.
4ALF505A2F

Technical Documents

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

Product Description

The APOLLO Backflow: Top Half Complete Repair Kit (SKU 3G-OTH-434315) is a repair kit for Apollo backflow preventers, compatible with a 1-inch valve size. It is designed for use with manufacturer model number 4ALF505A2F and carries manufacturer part number 4A00507.

Frequently Asked Questions

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

The APOLLO Backflow Top Half Complete Repair Kit is used to repair Apollo backflow preventers with a 1-inch valve size. It is designed for model 4ALF505A2F and restores top-half functionality, ensuring reliable backflow prevention in commercial and industrial water systems.

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

The APOLLO Backflow Top Half Complete Repair Kit (MPN 4A00507) is compatible with a 1-inch valve size and fits Apollo model 4ALF505A2F. It is a top-half repair kit for backflow preventers, carrying type designation 4A505A2F/4ALF505A2F.

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

You can source the APOLLO Backflow Top Half Complete Repair Kit from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine Apollo repair components.

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

To install the APOLLO Backflow Top Half Complete Repair Kit, first depressurize and isolate the backflow preventer. Remove the top half assembly, replace worn components with the kit parts, and reassemble following Apollo's generic repair guidelines. Always test for leaks after 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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