GlückMarine Drain Cleaning Bladder – Fits 4 to 6 Inch Pipes (Replaces Drain King 750)
GlückMarine Drain Cleaning Bladder – Fits 4 to 6 Inch Pipes (Replaces Drain King 750) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
GlückMarine Drain Cleaning Bladder – Fits 4 to 6 Inch Pipes (Replac...
Product Details
The GlückMarine Drain Cleaning Bladder is a powerful tool designed to clear stubborn blockages in drain pipes from 4 to 6 inches (101mm to 152mm) in diameter. It uses water pressure to expand and create a tight seal, effectively flushing out clogs in kitchen sinks, bathtubs, main drains, and sewer lines.
This bladder serves as a direct replacement for similar models, including the Drain King 750 and the large-sized bladder from the Fosenlion 3-Piece Drain Bladder Kit.
- Installs easily by connecting to any standard garden hose.
- Designed specifically for larger pipes in the 4 to 6-inch range.
- For use with cold water only to ensure safe and effective operation.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number / Description | Notes |
|---|---|---|
| Drain King | 750 | Fits 3 to 6 inch pipes |
| Fosenlion | 3-Piece Drain Bladder Kit | Refers to the large size bladder in the kit |
Engine & Model Compatibility
Confirm your pipe application and size in the table below.
| Pipe Type | Diameter Range | Location | Notes |
|---|---|---|---|
| Drain Pipes | 4 to 6 inches (101mm to 152mm) | Kitchen sink | Main drain and larger pipe sections |
| Drain Pipes | 4 to 6 inches (101mm to 152mm) | Bathtub | Main drain and larger pipe sections |
| Drain Pipes | 4 to 6 inches (101mm to 152mm) | Main drain | House to street connections |
| Drain Pipes | 4 to 6 inches (101mm to 152mm) | Sewer line | Larger diameter sections |
Technical Specs
- Product Type
- Drain Cleaning Bladder
- Installation
- Connects to standard garden hose
- Diameter
- 2.5 inches (63.5mm)
- Length
- 7.3 inches (185.4mm)
- Material
- High-quality rubber
- Pipe Size Range
- 4 to 6 inches (101mm to 152mm)
- Recommended Water Pressure
- 40-80 PSI
- Connection
- Standard hose connection
- Working Pressure
- 40-80 PSI
- Color
- Black
- Water Temperature
- Cold water only (not for use with hot water)
What’s in the Box
- 1 x Large Drain Cleaning Bladder (fits 4 to 6 inch pipes)
Installation Notes
- Attach the rubber bladder to a standard garden hose.
- Insert the bladder at least 6 inches down into the clogged drain.
- Turn on the cold water slowly, increasing to full force. The bladder will expand to seal the pipe, and pulsating water jets will work to loosen and flush the blockage.
NOTICE: Do not use with hot water, as it can damage the bladder.
Troubleshooting & FAQ
How do I use this drain bladder?
Simply attach the bladder to a garden hose, insert it at least 6 inches into the drain, and turn on the cold water slowly to full pressure. The bladder will inflate to seal the pipe and dislodge the clog with pulsating water jets.
What pipe sizes is this compatible with?
This large drain bladder is designed for pipes with a diameter of 4 to 6 inches (101mm to 152mm), such as main drains and sewer lines.
What is the recommended water pressure?
A standard household water pressure of 40-80 PSI is recommended for optimal performance. Do not exceed the recommended pressure range.
Can I use this bladder with hot water?
No. This bladder is designed for use with cold water only. Using hot water can damage the rubber and compromise its effectiveness and safety.
How does this compare to other brands like Drain King?
This bladder is designed to meet or exceed the performance of similar products like the Drain King 750, offering a comparable solution for clearing large drain pipes.
How long should I leave the water running?
Typically, running the water for a few minutes is enough to clear most blockages. If the clog persists, you may need to repeat the process or consult a professional plumber for more stubborn issues.
What is the difference between an OEM and an aftermarket part?
This listing is an aftermarket replacement (not OEM). It has been built to OEM-level specifications with comparable materials. All our parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.
How fast is shipping and what does it cost?
We ship worldwide quickly—typical transit time is 5–15 days. Standard shipping is free, and expedited options are available at checkout where applicable.
What is the warranty and return policy?
This product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter an issue, please contact our support team with your order details. Returns are accepted within our standard window for items that are unused and in their original condition. See our policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against your original part before purchasing. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement component, not an OEM part.
- Professional installation is recommended to ensure safety and proper performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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