How to Replace a Kuhn Rikon Pressure Cooker Gasket or Seal
By Premium quality pots and pans - The Swiss no. 1 brand | Published: 2026-08-02
Category: How-to Guides
Learn step-by-step how to replace the gasket or seal on your Kuhn Rikon pressure cooker, plus maintenance tips for safety and longevity.
Pressure cookers are a kitchen workhorse, and Kuhn Rikon's Swiss-engineered models are built to last for decades. But even the best pressure cooker needs a little TLC, and the most common maintenance task is replacing the gasket (also called the seal). Over time, the silicone or rubber gasket can harden, crack, or lose its flexibility, which compromises the seal and affects cooking performance. In this guide, we'll show you how to replace the gasket on your Kuhn Rikon pressure cooker, including the popular Duromatic models, and share tips to extend the life of your new seal.
Whether you're dealing with steam leaking from the lid, food not pressurizing properly, or you've simply noticed the gasket looks worn, this step-by-step guide will have your pressure cooker back in top shape in minutes. We'll also cover how to identify the right replacement part and what to do if you're unsure about the fit.
Signs You Need a New Gasket
How do you know it's time to replace the gasket on your Kuhn Rikon pressure cooker? The most obvious sign is steam escaping from the lid during cooking. If you see steam hissing out around the edges, the seal is no longer airtight. Another clue is that the pressure cooker struggles to reach pressure, or the pressure indicator doesn't rise as expected. You might also notice a change in cooking times or food not cooking evenly.
Inspect the gasket visually. If you see cracks, tears, or a hardened, brittle texture, it's definitely time for a replacement. Kuhn Rikon recommends replacing the gasket every 1-2 years, depending on usage, even if it looks fine, as silicone degrades over time. Regular replacement ensures safety and optimal performance.
- Steam leaking from the lid during cooking
- Difficulty reaching pressure or pressure indicator not rising
- Visible cracks, tears, or hardening of the gasket
- Gasket no longer snaps back into shape when pinched
Choosing the Right Replacement Gasket
Kuhn Rikon pressure cookers come in various models, including the Duromatic line. It's crucial to get the correct gasket size for your specific model. Check the bottom of your pressure cooker or the lid for the model number and capacity (e.g., 4.5L, 6L). Kuhn Rikon offers genuine replacement gaskets designed for a precise fit, ensuring safety and durability.
When ordering, you can also consider accessories like the DUROMATIC® TOP Protection cap black to keep your pressure cooker in top condition. Always choose genuine Kuhn Rikon parts to maintain the integrity of your cooker. Using off-brand gaskets may not provide the same seal, leading to performance issues or safety hazards.

- Check the model number and capacity before ordering
- Genuine Kuhn Rikon gaskets are designed for a perfect fit
- Consider replacing the protection cap if it shows wear
Step-by-Step Gasket Replacement
Replacing the gasket is a simple process that requires no tools. Start by ensuring the pressure cooker is completely cool and depressurized. Remove the lid and turn it upside down. The gasket sits in a groove around the inner edge of the lid. Gently pull the old gasket out of the groove, starting at one point and working your way around. It may be stiff, but it should come out with a little effort.
Before installing the new gasket, clean the groove with warm soapy water to remove any residue. Dry it thoroughly. Then, align the new gasket with the groove and press it into place, working around the lid. Make sure it sits evenly and securely. You can test the fit by closing the lid and checking that the gasket is visible and snug.
Once the new gasket is in place, do a test run with water to ensure there are no leaks. Fill the cooker with a cup of water, lock the lid, and bring to pressure. If you see no steam escaping, you're good to go.
- Ensure the cooker is cool and depressurized before starting
- Clean the groove thoroughly before inserting the new gasket
- Do a water test after replacement to verify the seal
Maintenance Tips to Extend Gasket Life
To get the most out of your new gasket, practice good maintenance habits. Always remove the gasket and wash it separately after each use, as food particles can cause premature wear. Dry it thoroughly before storing. Avoid exposing the gasket to high heat when the lid is off, as this can cause hardening.
Store your pressure cooker with the lid off or with the gasket removed to prevent it from being compressed. This helps maintain its shape and flexibility. Additionally, periodically inspect the gasket for signs of wear, and replace it as needed. By following these simple steps, your Kuhn Rikon pressure cooker will continue to perform flawlessly for years.
If you're looking to upgrade or expand your cookware, consider pairing your pressure cooker with other Swiss-made Kuhn Rikon pieces like the CLASSIC Saucepan 3.0 L · Ø 20 cm or the EASY PRO Stielkasserolle 3.0 L · Ø 20 cm for versatile cooking.
- Wash the gasket separately after each use
- Store the lid off or with the gasket removed
- Keep the gasket away from direct heat when not in use
Replacing the gasket on your Kuhn Rikon pressure cooker is a quick and simple task that ensures safe and efficient cooking. By following this guide, you can easily maintain your cooker and extend its lifespan. For genuine replacement parts and accessories, visit our store and explore our range of high-quality Kuhn Rikon products.


