Domakihub How to Clean a Pressure Cooker Properly (All Parts)
Keep your pressure cooker safe, odour-free, and lasting for years with this simple routine.
Reviewed by Domakihub cleaning pros · 2026-06-23 · 5 min read
A pressure cooker is one of the hardest-working tools in any Greek kitchen — from slow-simmered stifado to quick legume soups. The video above walks through the full cleaning routine visually; the steps below add the exact method and timing so you can follow along or work from memory. Whether you manage a family home, a holiday rental, or a hotel kitchen, a clean pressure cooker means safer cooking and a longer appliance life.
Why Proper Cleaning Matters More Than You Think
Pressure cookers work by trapping steam under high pressure, which means any food residue, grease, or mineral deposit left behind can clog the vent, weaken the gasket seal, or create unexpected pressure spikes. A pot that looks clean on the outside may harbour dried food under the lid rim or inside the valve — areas that are easy to miss with a quick rinse.
In high-turnover settings like holiday rentals or hotel kitchens, these risks multiply. Regular deep cleaning — not just a rinse after each use — is what keeps the cooker safe, odour-free, and compliant with basic food-hygiene standards.
Know Your Cooker Before You Start
Stovetop and electric pressure cookers share the same cleaning logic, but their parts differ. A stovetop model has a metal pot, a lid with a locking handle, a rubber or silicone gasket (sealing ring), a pressure regulator (the weighted valve or jiggle top), and sometimes a secondary safety valve. Electric models (Instant Pot and similar) add a heating element base that must never be submerged and a removable inner pot.
Always unplug electric models and let any cooker cool completely before disassembly. Attempting to clean a hot pot or remove a lid under residual pressure is a safety hazard.
Step-by-Step: How to Deep Clean a Pressure Cooker
- 1
Disassemble every removable part
Remove the lid, gasket/sealing ring, pressure regulator valve, and any float or safety valves. On electric models, lift out the inner pot and detach the condensation collector cup on the back of the unit. Lay all parts on a clean towel so nothing rolls away or gets missed.
- 2
Soak stubborn stains and the gasket
Place the inner pot and metal lid parts in warm water with a few drops of dish soap. Add the gasket separately — soaking it in a mixture of white vinegar and warm water (1:1) for 15 minutes removes absorbed cooking odours that soap alone cannot shift. For burnt-on stains inside the pot, fill it with water, add two tablespoons of baking soda, and let it sit for 20–30 minutes before scrubbing.
- 3
Clean the valves and vent with a small brush
This is the step most people skip and the most important one. Use a small cleaning brush (a bottle brush, old toothbrush, or the brush that came with your cooker) to scrub through the steam vent, the pressure regulator, and each valve port. Hold them up to the light — you should be able to see through the vent opening. Rinse thoroughly under running water and shake dry.
- 4
Wipe the lid, rim, and sealing surfaces
Use a damp cloth or sponge to clean the inside of the lid, paying close attention to the groove where the gasket sits. Food and grease collect in this channel and create a poor seal if left dirty. For electric models, wipe the underside of the lid, the rim of the heating base, and the exterior with a damp cloth — never immerse the base unit. Use a dry cloth immediately after to prevent water spots or corrosion.
- 5
Dry completely, then reassemble and store open
Every part must be fully dry before reassembly — moisture trapped under the gasket or inside a valve encourages mould and causes rubber to deteriorate faster. Pat dry with a clean towel and air for at least 30 minutes. When storing, leave the lid resting upside down on the pot (not locked on) so air can circulate. This one habit alone dramatically reduces the stale-smell problem common in rental kitchens.
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FAQ
- How often should I deep clean my pressure cooker?
- Give every part a thorough clean — including the valves and gasket — at least once a month with regular home use, or after every 8–10 cooking sessions. In a holiday rental or hotel kitchen where the cooker is used daily, a weekly deep clean is more appropriate. A quick rinse of the pot and lid after each use is fine, but it does not replace the full disassembly clean.
- My sealing ring smells like food even after washing — what should I do?
- Gaskets absorb cooking odours over time, especially from spiced or aromatic dishes. Soak the ring in a 50/50 white vinegar and water solution for 15–30 minutes, rinse well, and air-dry in sunlight if possible — UV exposure helps neutralise lingering smells. If the odour persists after several attempts, replace the gasket; most manufacturers sell spares cheaply and recommend replacement every 12–18 months anyway.
- Can I put pressure cooker parts in the dishwasher?
- The inner pot and lid of many modern electric pressure cookers are dishwasher-safe — check your manual. However, the sealing ring and valves should be hand-washed; dishwasher heat and detergent accelerate rubber degradation and can warp or clog small valve parts. The heating base of electric models must never go in the dishwasher or be submerged. When in doubt, hand-wash — it takes only a few minutes and protects every part.