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Progress through five NIST-traceable calibration points from 447 µS to 15
no regeneration required
How to Install the DLA-G20 Airgap
Silicone offers excellent resistance to temperature extremes and a wide range of chemicals
ensuring gasket creates watertight seal against sink surface
Fleck 2900S Downflow Softener Control Valve w/ 12 Day Time Clock 1.0 - 20 GPM Progress through five NIST-traceable calibrationThe Fleck 2900S is a high flow, commercial grade water softener control valve built on a rugged lead free brass body and paired here with a 12 day mechanical time clock for dependable, schedule based regeneration. Engineered for large residential, commercial, and light industrial softeners, it drives proven down flow (co current) regeneration, mounts to mineral tanks up to 36" in diameter, and delivers heavy service flows without electronics to fail.
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