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Since 1999
Check valve made for your reverse osmosis membrane housing. 1/4 in. x 1/8 in. NPT elbow from John Guest part number NC2811, which features an integral check valve for R.O membrane housings. This elbow check valve prevents damage to the R.O. membrane due to backflow of the product water line.
John Guest PI480822S Fixed Elbow 1/4" Tube X 1/4" MNPT Connector for drinking water systems. - SOLD IN PAIRS
304 Stainless Steel 1 GPM UV Assembly With 1/4" FNPT Connections. 6 watt Phillips UV Lamp, quartz sleeve and 100 volt transformer. Individually boxed. Great addition to any RO reverse osmosis system or undercounter drinking water filter system.
4 Gallon Reverse Osmosis Tank GGN-Tank-4 Pro 3.2. This is the perfect replacement tank for most RO reverse osmosis systems. Stainless Steel valve connector. Perfect replacement for all home RO reverse osmosis drinking water systems.
Water Factory 47-55700G2-S4 by 3M Purification - Bulk Water Filter Replacement Pack For SQC 4 & SQC Pro. Save over 25% by stocking up with this 2 year supply of water filters. Includes (4) 3MROP411/47-55702G2 Sediment Prefilters, (4) 3MROP412/47-55704G2 Granular GAC Carbon Filters and (4) 3MROP416/47-55710G2 Block Carbon Filters. (Does not include the RO reverse osmosis membrane)
John Guest PPSV500822W Tank Shut-Off Valve 1/4" Tube X 1/4" FNPT 90 For Reverse Osmosis Tanks
John Guest PI480823S Fixed Elbow 1/4" Tube X 3/8" MNPT for drinking water systems - SOLD IN PAIRS
John Guest ® ASVPP1LF Angle Stop Water Valve - Makes installation a snap. Very simple to use. PPASV121208W and PPASV121212W
John Guest ASVPP2LF Angle Stop Adapter Valve 3/8" Male Comp X 3/8" Male Comp X 3/8" Tube. PPASV121212W
John Guest PI480821S Fixed Elbow 1/4" Tube X 1/8" MNPT Quick Connectors for Drinking Water Systems - SOLD IN PAIRS
John Guest PI481223S Fixed Elbow 3/8" Tube X 3/8" MNPT With Quick Connectors for Drinking Water Systems - SOLD IN PAIRS
Easy Tap Water Feed Valve For Systems With 3/8" Feed Tube - High flow tap valve. Follow the pipe up from the shut-off valve toward faucet until you reach a coupling nut (may be all the way up to the faucet). Unscrew coupling nut. Screw brass easy tap onto previous location of coupling nut. Hand tighten and then one more complete turn with wrench. Re-attach water line coupling nut to easy tap. The valve on the side of the easy tap is the shut off valve for your new RO system. If the handle is turned clockwise all of the way, this is the "OFF" position for your new RO system. Counterclockwise all of the way is the "ON" position.
John Guest PI0208S Union Tee 1/4" Tube X 1/4" Tube X 1/4" Tube for Drinking Water Systems
John Guest PI0212S Union Tee 3/8" Tube X 3/8" Tube X 3/8" Tube for Drinking Water Systems
Auto Shut Off RO 1 - Automatic shutoff valve for reverse osmosis systems. ASO ASV Easy to use 1/4" OD Tube Jaco connectors included. The valve automatically shuts off production when the tank pressure reaches approximately 65% of the incoming line pressure.
1/4-3/8 Twin Tubing 42” Long With One 1/4" & One 3/8" Adaptor.
John Guest PI201208S Reducing Union Connector 3/8" Tube X 1/4" Tube for Drinking Water Systems
Poly Tube John Guest 3/8" PE Black Replacement Tubing for Water Filter Systems. Priced per foot.
Poly Tube John Guest 3/8" PE Blue Replacement Tubing for Water Filter Systems. Priced per foot.