ASSE (Plumbing) LEC 2006-2019

ASSE (Plumbing) LEC 2006-2019 Listing Evaluation Criteria for Point of Entry Reverse Osmosis Systems
standard by American Society of Sanitary Engineering, 2019

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ASSE LEC 2006-2019 covers contaminant reduction claims for Point of Entry (POE) Reverse Osmosis (RO) systems. The following components are typically used as part of POE RO systems: System manifold RO membrane Pre- and post-filtration assemblies Supply connection Drain connection Storage tank Shut-off valves Check valves Push fit fittings Tubing Tank backpressure reduction mechanism (optional) Booster pump (optional) TDS monitor (optional)