Magnum Plumbing Wholesale
Flexible Coupling with Stainless Steel Clamps (Rubber Coupling)-Transition Coupler | Multiple Sizes Available
Flexible Coupling with Stainless Steel Clamps (Rubber Coupling)-Transition Coupler | Multiple Sizes Available
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This Flexible Coupling with Stainless Steel Clamps is a transition fitting designed to join pipes of different diameters and materials such as ABS, PVC, cast iron, or clay. Made with flexible elastomeric rubber and secured with corrosion-resistant stainless steel clamps, this coupling provides a leak-proof, durable connection for both residential and commercial plumbing systems.
- Flexible rubber body absorbs vibration and movement
- Corrosion-resistant 300-series stainless steel clamps
- Fast, tool-based installation — no primer, glue, or solvent required
- Compatible with ABS, PVC, cast iron, copper, and clay pipe
- UPC / ASTM C1173 / CSA B602 certified
- Ideal for underground and above-ground use
Available Sizes
- 2" x 1-1/2"
- 3" x 1-1/2"
- 3" x 2"
- 4" x 1-1/2"
- 4" x 2"
- 4" x 3"
- 6" x 4"
Applications
- Pipe-to-pipe transitions of unequal sizes
- Repairs or retrofits in existing plumbing systems
- Residential and commercial DWV installations
- Temporary or permanent sealing solution


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Certifications
-All products are UPC, CSA, and NSF certified
- Backed by $1,000,000 commercial liability insurance
Installation Tips
- Use with ABS solvent cement for secure connection
- Clean and dry all surfaces before assembly
Shipping & Delivery
- All orders ship from California warehouse
- Free shipping on order over $50
- Orders over $500 qualify for 48-hour delivery (local area)
- Tracking number provided after shipment
Return Policy
🔁 Return Policy
Return Eligibility
Returns are accepted within 30 days of purchase for eligible items.
To qualify for a return:
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Items must be unused, uninstalled, and in original packaging
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Products must be in resellable condition
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Proof of purchase is required
Installed, used, or damaged products are not eligible for return.
Non-Returnable Items
The following items are non-returnable:
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Special order or custom products
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Clearance or final sale items
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Opened or partially used materials
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Items damaged due to improper handling or installation
Restocking Fee
Approved returns may be subject to a 15% restocking fee.
Restocking fees help cover inspection, handling, and repackaging costs.
Magnum Plumbing Wholesale reserves the right to determine final eligibility upon inspection.
Return Process
To initiate a return:
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Contact us at sales@magnummpw.com
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Provide your order number and reason for return
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Wait for return authorization before shipping items back
Unauthorized returns may be refused.
Return Shipping
Customers are responsible for return shipping costs unless the return is due to:
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Shipping error
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Incorrect item sent
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Manufacturer defect
Original shipping fees are non-refundable.
Damaged or Incorrect Items
If your order arrives damaged or incorrect, please notify us within 48 hours of delivery.
Photos of the damaged item and packaging may be required.
Refund Processing
Approved refunds will be issued to the original payment method within 5–10 business days after inspection.
Wholesale & Bulk Orders
Wholesale, bulk, and pallet orders may be subject to stricter return conditions and additional restocking fees.
Please contact us prior to placing large volume orders if return flexibility is required.