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Quick answer
Most "my new ring doesn't seal" problems are really seating problems. The ring has to sit all the way behind the metal ring rack on the underside of the lid, pressed down evenly with no puckers. Here's the method from the Instant Pot manual, plus the quick check that tells you it's right.
Genuine Instant Pot sealing rings, by pot size:
Instant Pot 3 Qt Sealing Ring Instant Pot 4, 5 & 6 Qt Sealing Ring Instant Pot 8 Qt Sealing RingStep by step
- Remove the old ring. Grip the edge of the ring and pull it out from behind the ring rack.
- Inspect the ring rack. The manual says the rack should be secured, centered and an even height all the way around the lid. If it's deformed, don't try to repair it yourself. Contact Instant Pot Customer Care.
- Place the new ring over the rack and press it down firmly all the way around, so the ring sits behind the rack without puckering.
- Do the flip test. The ring should be snug and should not fall out when you turn the lid over. If it drops out, it isn't seated properly, or it's stretched and needs replacing.
Lid hard to close after changing the ring?
Instant Pot lists three reasons:
- The sealing ring isn't snug behind the ring rack. Reseat it and press it down.
- The float valve is in the popped-up position. Remove and clean off any food debris.
- The contents are still hot. Set the valve to Venting, then lower the lid onto the base slowly to let the heat dissipate.
Common mistakes
- Two rings at once. The manual says only one ring should be installed at a time.
- Wrong size. 3-quart, 4/5/6-quart and 8-quart rings aren't interchangeable. See the size chart.
- Forgetting the ring after washing. With no ring, steam leaks from the side of the lid and the pot won't come to pressure.
How we work: installation steps come from the Instant Pot Duo and Duo Plus user manuals and Instant Pot's FAQ. Sources are listed below.
Questions people ask
How do I put the sealing ring back in my Instant Pot?
Place the ring over the ring rack on the underside of the lid and press it down firmly all the way around so it sits behind the rack.
How do I know the ring is seated correctly?
Turn the lid over. The ring should be snug and should not fall out.
Why won't my Instant Pot lid close after changing the ring?
Instant Pot lists three reasons: the ring isn't snug behind the rack, the float valve is popped up, or the contents are still hot.
Sources
Last checked Oct 23, 2026. Instant Pot says third-party sealing rings may void the warranty. Check your own model's manual before cooking.
