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1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 752, DC Booster Pump w/ Transformer
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 565, Digital Pressure Gauge Tester Monitor
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 741-14, Diverter Valve for Countertop Water Units
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x *Discontinued* RD106
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
7 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk213, Inline Carbon Filter
1 x MK420, Maintenance kit for RO565
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x *Discontinued* RD150
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x bulkc10, Koolermax Carbon Block Filter
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x Special Filter Kit Koolermax dealer distribution kit
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
2 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x *Discontinued* RD102
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO

View Cart$9,544.34
Specials Log InCreate Account Checkout  Shopping Cart129 item(s)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x 752, DC Booster Pump w/ Transformer
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 565, Digital Pressure Gauge Tester Monitor
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
3 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 741-14, Diverter Valve for Countertop Water Units
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x *Discontinued* RD106
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
7 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk213, Inline Carbon Filter
1 x MK420, Maintenance kit for RO565
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x *Discontinued* RD150
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x bulkc10, Koolermax Carbon Block Filter
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x Special Filter Kit Koolermax dealer distribution kit
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
2 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
2 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 316, 2nd stage CTA 16 US Membrane filter
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x *Discontinued* RD102
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO

View Cart$9,544.34

AHUC, Inline Ball Hand Valve Union Connector OD Tubing [AHUC]

$5.00

AHUC, Inline Ball Hand Valve Union Connector OD Tubing



* AHUC, Inline Ball Valve or Hand Valve Union Connector

* Position "Close" to force the water to flow to long reach faucet directly

* Position "Open" to allow the water flow in/out the water tank

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter (Pipe sizes can be confusing even for the experienced user. Pipe size is not the actual outside or inside diameter of the pipe but is the industry accepted designation. If you have any question please email us first.)
* 1/4" Tube OD x 1/4" Tube OD AHUC0404
* 3/8" Tube OD x 3/8" Tube OD AHUC0606
* 1/2" Tube OD x 1/2" Tube OD AHUC0707


* Water & foods use: Products are manufactured from safe, non-toxic materials meeting the requirements of the US FDA, ERAS, ANSI/NSF-51,61, and SK Zert. Our products are widely used in water purification, food/beverage, and pneumatic systems.

* Function & Quality: Provides quick and convenient assembly-saving time & expense.

* Collet Design: Our unique oval collet design is superior and more practical, and is an improvement welcomed by our world wide customers in all industries.

* Additional Applications: Beyond water and food use, fittings can be used with air, gases, vacuum, & liquids. All connections can be assembled & disassembled repeatedly. A broad range of sizes covers a broad scope of applications.

* We carry different fittings in variation of sizes: 1/4", 3/8", or 1/2" adapters, connectors, fittings, or valves.  Most are not listed online, to avoid confusion to majority of RO system customers.  

* Send us a message with specification, intended application, and image of your setup or old fitting  to check if we have what you need. 

Available Options:

Size Combination:

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