Description
Keep your Geberit cistern leak-free with this genuine Geberit flat gasket (part no. 816.418.00.1). Made from high-grade silicone rubber, it creates a reliable watertight seal between the flush valve and cistern body — ideal for maintenance, repair, or preventative replacement across a wide range of Geberit concealed and exposed cistern systems.
Key Features
- Genuine Geberit spare part — exact fit and trusted quality
- High-grade silicone rubber — flexible, durable, and leak-resistant
- Restores flush valve sealing — prevents leaks and water loss
- Suitable for exposed, close-coupled & concealed cisterns
- Ideal for repairs, maintenance, and preventative replacement
Technical Specification
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Brand: Geberit
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Part Number: 816.418.00.1
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Material: Silicone rubber
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Outer Diameter: 63mm
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Inner Diameter: 32mm
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Connection Size: G 1¼″
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Thickness: 3mm
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Country of Origin: Germany
Compatible With
- Sigma Cisterns 12cmD
- Omega Cisterns 12cmD
- Delta Cisterns 12cmD
- Low-Height Cistern Flush Valves
- Kappa Cistern Flush Valves
- Monolith Sanitary Modules
- Type 290 Flush Valves
- Type 280 Flush Valves
- Type 240 Flush Valves
- Type 230 Flush Valves
- Geberit Close Coupled Cisterns (Selnova, Smyle & iCon ranges)
- AP140 Cistern Flush Valves
- AP112 Cistern Flush Valves
Frequently Asked Questions
What does this gasket do?
It creates a watertight seal between the flush valve and the cistern body. Over time, silicone gaskets can harden or degrade, causing leaks — replacing this part restores reliable flushing and stops water loss.
How do I know if this is the right part?
Check your Geberit flush valve or cistern documentation for part number 816.418.00.1, or refer to the compatibility list above. If you're unsure, contact us at customerservice@bubblegumbathrooms.co.uk or call 01603 381095.
Can I order if the item shows as out of stock?
Yes — you can still place an order and we will fulfil it as soon as stock is available. Contact us for a lead time estimate.
Is this a genuine Geberit part?
Yes — this is a genuine Geberit spare part, ensuring exact fit and compatibility with the systems listed above.
Delivery Information
This is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. Browse all items covered by the small delivery charge.
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