John Guest - Metal Angle Stop Adapter Valve Threaded NPT ("National Pipe Thread"):1/2" NPT with 3/8" NPT Adapter Cleaner water sources allow extended

Cleaner water sources allow extended service intervals with periodic rinsing to restore flow rate

Frequency depends on usage intensity and sample chemistry

Fits Standard 20" Housings

Polyphosphate treatment does not remove hardness minerals or reduce TDS

000 PPM with temperature compensation standardized to 25°C

John Guest - Metal Angle Stop Adapter Valve Threaded NPT ("National Pipe Thread"):1/2" NPT with 3/8" NPT Adapter Cleaner water sources allow extendedThe John Guest ASVPP Metal Angle Stop Adapter Valve delivers push fit convenience for quick connections to your main water supply line without tools or threading. This professional grade valve combines a 1 4 turn chrome plated ball valve with an integrated check valve, designed specifically for reverse osmosis systems, filtration setups, ice makers, and automatic coffee brewers. SPECIFICATIONS Technical Details Manufacturer John Guest Model Series