Hydronamic (CV18S-MxM) Check Valve - 1/8" MNPT x 1/8" MNPT 20 inch x 4.5 inch Big Blue Filters2074 The 1/2" MIP threading fits

The 1/2" MIP threading fits standard test ports found on most Clack valve configurations manufactured after 2005

The Fleck 61700 PEX connector is compatible with Fleck control valves used on water softeners and filter systems

boiler feedwater prep

Airgap Height

🛡️ Polyphosphate Treatment

Hydronamic (CV18S-MxM) Check Valve - 1/8" MNPT x 1/8" MNPT 20 inch x 4.5 inch Big Blue Filters2074 The 1/2" MIP threading fitsHydronamic CV18S MxM 1 8" MNPT Check Valve Precision engineered stainless steel check valve prevents backflow in compact water treatment systems 303 Stainless Steel 1. 0 PSI Cracking Pressure Multiple O Ring Options Up to 0. 84 GPM The Hydronamic CV18S MxM check valve uses 303 stainless steel construction to prevent reverse flow in pressurized water lines. The 1 8" male NPT connections on both ends fit directly into compact filtration assemblies,