groff 🇺🇦geoffl@mastodon.me.uk
Jul 9, 2026, 5:38 PMDepending on the pressure differential a non-return valve can serve the same purpose. It will take some trial and error to find one that opens at the right pressure. Try aquarium supply stores.
Depending on the pressure differential a non-return valve can serve the same purpose. It will take some trial and error to find one that opens at the right pressure. Try aquarium supply stores.