Low inlet pressure of pressurized cylinder -- make sure inlet pressure reaches the minimum requirement, usually 0.4mpa; Water intake filter element will be blocked with the old filter element -- replace the filter element of the filtration system, and make sure to replace the filter element of the same specification.
The inlet passage of the pressurized cylinder is blocked by impurities or rust -- check the inlet passage of filtered water; Remove the end cover, check and remove any foreign material blocking the path; Check the check valve.
One-way valve lifting valve is easy to get stuck -- remove the end cover; Maintenance of one-way valve lift valve gasket, reinstall
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