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Installer manual Fleck 3150 NXT/NXT2 - Installation
• always install check valve before water heater to protect the softener from HW return;
• local drain for discharge as close as possible;
• water line connections with shut off or bypass valves;
• must meet any local and state codes for site of installation;
• valve is designed for minor plumbing misalignments. Do not support weight of system on the
plumbing;
• use flexible piping to connect main piping to softener;
• be sure all soldered pipes are fully cooled before attaching plastic valve to the plumbing.
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Ref. MKT-IM-010 / F - 16.01.2023
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