Cosori Float Valve Seal Failure

Steam leaking continuously from the float valve area even after it pops up

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Possible Causes

Damaged or hardened float valve silicone gasket, Debris trapped under float seal, Bent float pin, Incorrect float valve installation

How to Fix / Troubleshooting

Safety first: Keep clear of hot steam. Allow the cooker to cool and depressurize before disassembling the float valve.

  • Disassemble float valve: Remove the small silicone cap or nut under the lid that holds the float pin. Slide the pin out.
  • Clean components: Wash the pin and silicone gasket with warm soapy water. Remove any food particles or starch.
  • Inspect gasket: Check for cracks, flattening, or hardening. Replace with a new Cosori float valve gasket if worn.
  • Reassemble correctly: Install the pin from the top and secure the gasket or nut from below, ensuring free up‑and‑down movement.
  • Test under pressure: Run a water test to confirm the leak is resolved.
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Repair Difficulty

Very Easy 1/5

Required Part

Float Valve and Gasket Set
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