Pressure Cooker Separator and Weight Support: Fitting Guide
By Prestige | Published: 2026-11-05
Category: How-to Guides
Learn how to fit a pressure cooker separator rack and replace the weight support safely. Step-by-step checks for Prestige spare parts and steamer insert placement.
Quick answer
Fit the separator rack so it sits level inside the cooker body before adding food, then replace the weight support only if the old one is damaged or missing. Always check that the weight sits freely on the new support and that the separator does not block the pressure valve.
Why separator and weight support jobs are different
A separator rack is a removable steamer insert that holds food above the water. Its fitting is about stability and clearance, not pressure sealing. A weight support is a small part that holds the pressure weight in the correct position on the lid. Its fitting affects pressure regulation, so a poor fit can prevent the cooker from building or holding pressure safely.
Treat the two tasks separately: fit the separator before cooking, and inspect or replace the weight support as part of lid maintenance.
Check compatibility before you start
Not every separator fits every cooker. The Prestige Pressure Cooker Separator has a diameter of approximately 19cm and is listed for models 57059, 55408, 57050, 57051, 57052, and 55159. If your model is not listed, do not force the separator into the body. The Prestige Pressure Cooker Weight Support is listed for model 57059 only. Using a weight support on an unlisted model is a safety risk because the weight may not seat correctly.
When to replace rather than refit
Refit the separator if it is bent, warped, or has loose joints. A separator that rocks or sits unevenly can tip food into the water or block the vent. Replace the weight support if it is cracked, corroded, or no longer holds the weight upright. A weight that wobbles or sits at an angle is a sign the support needs replacement, not adjustment.
Step-by-step fitting and replacement
- Confirm your cooker model: Find the model number on the base or handle of your Prestige pressure cooker. Compare it with the compatibility list for the separator and weight support before opening any packaging. If your model is not listed, stop and do not force the part.
- Inspect the old parts: Remove the separator and weight support. Check the separator for bends, cracks, or loose joints, and the weight support for cracks or corrosion. Clean and dry both areas. A cracked or corroded weight support should be replaced, not reused.
- Fit the separator rack: Lower the separator into the cooker body so it rests level on the internal ledge. It should sit flat without rocking. Do not let the separator touch the sides of the cooker or cover the pressure valve opening. A separator that rocks or sits proud is not seated correctly.
- Check steamer insert placement: Add water below the separator, then place food on the rack in a single layer if possible. Leave space around the edge so steam can circulate. Never fill the cooker above the maximum mark. Food piled above the rim of the separator can block the vent.
- Remove the old weight support: With the lid off and the cooker cool, lift the weight off its support. Unscrew or unclip the old support according to your model’s design. Keep the weight aside in a safe place. Do not pry a stuck support with a sharp tool; it can damage the lid.
- Install the new weight support: Fit the genuine Prestige weight support onto the lid spindle. It should sit flush and secure. Place the weight on the support and check that it sits upright and moves freely without wobbling. If the weight tilts or sticks, the support is not seated correctly.
- Run a water test: Add water to the minimum level, close the lid, and heat on medium. Watch for steam from the vent and confirm the weight begins to rock gently. If no pressure builds or steam escapes from the sides, switch off and recheck both parts. A weight that never moves or never stops venting means you should stop and inspect the fit.
Parts mentioned in this guide
- Pressure Cooker Weight Support: Genuine Prestige weight support designed for use with Prestige pressure cookers; compatible with model 57059. A direct replacement keeps the weight seated correctly so pressure regulation is not compromised.
Pressure Cooker Weight Support - Pressure Cooker Separator: Separator diameter approximately 19cm; suitable for Prestige models 57059, 55408, 57050, 57051, 57052, and 55159. Checking your model against this list avoids a loose or jammed fit inside the cooker body.
Pressure Cooker Separator
