We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

APOLLO Backflow: Rubber Repair Kit, 2 1/2 in to 6 in Compatible Valve Size - Repair Kits & Parts for Apollo Backflow Preventers
APOLLORepair Kits & Parts for Apollo Backflow Preventers

APOLLO Backflow: Rubber Repair Kit, 2 1/2 in to 6 in Compatible Valve Size

The APOLLO Backflow: Rubber Repair Kit (SKU 3G-OTH-434320, MPN 4S00902) is a repair kit for Apollo backflow preventers, compatible with valve sizes from 2-1/2 in to 6 in. It is designed for use with the 4SG Series in…

SKU 3G-OTH-434320

Brand
APOLLO
Item
Backflow: Rubber Repair Kit, 2 1/2 in to 6 in Compatible Valve Size
Category
Repair Kits & Parts for Apollo 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

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
4S00902
Type
Repair Kit
Compatible Valve Size
2-1/2 in to 6 in
Compatible with Mfr. Model No.
4SG Series 2-1/2 In to 6 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 Backflow: Rubber Repair Kit (SKU 3G-OTH-434320, MPN 4S00902) is a repair kit for Apollo backflow preventers, compatible with valve sizes from 2-1/2 in to 6 in. It is designed for use with the 4SG Series in sizes 2-1/2 in to 6 in.

Frequently Asked Questions

What is the APOLLO Backflow Rubber Repair Kit used for?

The APOLLO Backflow Rubber Repair Kit is used to service Apollo backflow preventers, restoring sealing performance in commercial and industrial water systems. It is compatible with valve sizes from 2-1/2 in to 6 in and fits the 4SG Series models.

What are the specifications of the APOLLO Backflow Rubber Repair Kit?

The APOLLO Backflow Rubber Repair Kit (MPN 4S00902) is a repair kit for Apollo backflow preventers. It is compatible with valve sizes from 2-1/2 in to 6 in and fits the 4SG Series in those sizes. The kit includes rubber components for sealing and maintenance.

Where to buy the APOLLO Backflow Rubber Repair Kit worldwide?

You can source the APOLLO Backflow Rubber Repair Kit worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the APOLLO Backflow Rubber Repair Kit?

To install the APOLLO Backflow Rubber Repair Kit, first isolate the backflow preventer and relieve system pressure. Remove the old rubber components, clean mating surfaces, and install the new kit parts per Apollo’s generic guidelines. Reassemble and test for leaks before returning to service.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
APOLLO Backflow: Check Valve Repair Kit, 2 1/2 in to 6 in Compatible Valve Size, Repair Kit (MPN 4S00901)
APOLLO
APOLLO Backflow: Check Valve Repair Kit, 2 1/2 in to 6 in Compatible Valve Size, Repair Kit (MPN 4S00901)
APOLLO Backflow: Backflow Preventer Repair Kit, 1⁄2 in Compatible Valve Size, 4S103A2F, Repair Kit (MPN 4S00301)
APOLLO
APOLLO Backflow: Backflow Preventer Repair Kit, 1⁄2 in Compatible Valve Size, 4S103A2F, Repair Kit (MPN 4S00301)
APOLLO Backflow: Major Repair Kit, 3/4 in to 1 in Compatible Valve Size, 40204T2/40205T2, Repair Kit (MPN 40004A1)
APOLLO
APOLLO Backflow: Major Repair Kit, 3/4 in to 1 in Compatible Valve Size, 40204T2/40205T2, Repair Kit (MPN 40004A1)
APOLLO Backflow: Complete Rubber Repair Kit, 3/4 in Compatible Valve Size, 4ALF204A2F, Repair Kit (MPN 4A00409)
APOLLO
APOLLO Backflow: Complete Rubber Repair Kit, 3/4 in Compatible Valve Size, 4ALF204A2F, Repair Kit (MPN 4A00409)
APOLLO Backflow: Major Repair Kit, 1 1/4 in to 2 in Compatible Valve Size, 20208T2/40206T2/40207T2 (MPN 40007A1)
APOLLO
APOLLO Backflow: Major Repair Kit, 1 1/4 in to 2 in Compatible Valve Size, 20208T2/40206T2/40207T2 (MPN 40007A1)
APOLLO Backflow: Major Repair Kit, 3/4 in to 1 in Compatible Valve Size, 40104T2/40105T2, Repair Kit (MPN 40004A5)
APOLLO
APOLLO Backflow: Major Repair Kit, 3/4 in to 1 in Compatible Valve Size, 40104T2/40105T2, Repair Kit (MPN 40004A5)

More from APOLLO

View all APOLLO parts
APOLLO Backflow: Complete Check Repair Kit, 1 in Compatible Valve Size, 4ALF205A2F, Repair Kit (MPN 4A00502)
APOLLO
APOLLO Backflow: Complete Check Repair Kit, 1 in Compatible Valve Size, 4ALF205A2F, Repair Kit (MPN 4A00502)
APOLLO Backflow: Major Repair Kit, 1 1/4 in to 2 in Compatible Valve Size, 40-106-T2/40107T2/40108T2 (MPN 40007A5)
APOLLO
APOLLO Backflow: Major Repair Kit, 1 1/4 in to 2 in Compatible Valve Size, 40-106-T2/40107T2/40108T2 (MPN 40007A5)
APOLLO Backflow: Complete Internals Repair Kit, 1 1/2 in/1-1/4 IN Compatible Valve Size, 4ALF-207A2F (MPN 4A00710)
APOLLO
APOLLO Backflow: Complete Internals Repair Kit, 1 1/2 in/1-1/4 IN Compatible Valve Size, 4ALF-207A2F (MPN 4A00710)
APOLLO Backflow: Complete Relief Valve Kit, 1/2 in to 1 in Compatible Valve Size, Repair Kit (MPN 4A00505)
APOLLO
APOLLO Backflow: Complete Relief Valve Kit, 1/2 in to 1 in Compatible Valve Size, Repair Kit (MPN 4A00505)
APOLLO Test Cock: Test Cock, Male, NPT, Repair Part, Female, NPT, Bronze, Backflow Preventer (MPN 78LF29001)
APOLLO
APOLLO Test Cock: Test Cock, Male, NPT, Repair Part, Female, NPT, Bronze, Backflow Preventer (MPN 78LF29001)
APOLLO Backflow: Complete Relief Valve Repair Kit, 2 1/2 in to 6 in Compatible Valve Size (MPN 4A00C05)
APOLLO
APOLLO Backflow: Complete Relief Valve Repair Kit, 2 1/2 in to 6 in Compatible Valve Size (MPN 4A00C05)
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)
APOLLO Backflow: Rubber Repair Kit, 2 in Compatible Valve Size, 4ALF208A2F/RPDA2, Repair Kit (MPN 4A00819)
APOLLO
APOLLO Backflow: Rubber Repair Kit, 2 in Compatible Valve Size, 4ALF208A2F/RPDA2, Repair Kit (MPN 4A00819)