Originally posted by Sour
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Thanks for the email - can you confirm you have been cleaning the Delter out after use? Usually some mild detergent and drying out (remove plunger from chamber) solves it.
We have made an adjustment to the Y-Seal at the factory to improve the wall compression, which will solve in the long term. If you need another unit in the meantime, we'll be happy to send out a replacement to you. Otherwise we'll be sure to send the new seal once that's available.
Cheers
Regards
Delter Coffee Team
I think I will be asking for the improved seal once available, but I have only been using detergent every couple of days so might give it a soak tonight to remove any residual coffee oils in case that is what is happening.

may be sticking and turning it a little helps in it's travel.
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