Everything you need to install, maintain, and monitor your reverse osmosis system. Valves, fittings, meters, gauges, faucets, tubing, and safety accessories.
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Test Equipment
TDS / EC / Temperature Meter — Digital
Digital TDS meter monitors Total Dissolved Solids in feed and permeate water. Essential for verifying membrane performance. Measures in ppm, EC, and temperature.
TDS MeterEC MeasurementTemperatureDigital Display
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Test Equipment
pH + ORP Meter — Digital Combo
Dual-function digital meter measuring pH and ORP (oxidation-reduction potential). Essential for monitoring water chemistry and disinfection effectiveness.
pH MeasurementORP MeasurementDual FunctionDigital
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Gauges
RO Dual Pressure Gauge Kit
Dual pressure gauges showing feed and permeate pressure. Identifies membrane issues, fouled pre-filters, and pump problems. Standard 1/4" NPT fittings.
Prevents backflow from storage tank into RO system. Essential for maintaining tank pressure and preventing contamination. Standard size for residential systems.
Controls concentrate flow rate to maintain optimal pressure across the RO membrane. Sized by GPD rating of your membrane. Required for proper system function.
Stops water flow to the RO membrane when storage tank is full. Prevents system from running continuously. Standard component for residential RO systems.
Auto ShutoffTank Full StopWater SavingStandard Size
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Tubing
Color-Coded RO Tubing (per foot)
John Guest quick-connect color-coded tubing for RO system plumbing. Blue (feed), white (permeate), black (concentrate). 1/4" standard diameter.
Color CodedQuick ConnectBlue/White/Black1/4 inch
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Faucets
Designer RO Faucet — Lead-Free
European-style lead-free dispensing faucet for under-sink RO systems. Long-reach design. Chrome or brushed nickel finish. Includes all mounting hardware.
Lead-FreeLong ReachChrome/NickelEuro Style
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Membrane Housings
RO Membrane Housing — Stainless Steel
Stainless steel pressure vessel for standard 2.5" x 12" residential RO membranes. Rated for standard residential operating pressures. End-port configuration.
Stainless Steel2.5" x 12"End PortPressure Rated
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Safety
Flood Protection Leak Detector
Sensor-activated valve shuts off water supply if a leak is detected beneath your under-sink RO system. Prevents costly water damage. Battery-powered.
Flood ProtectionAuto ShutoffBattery PoweredPeace of Mind