Log In Log In  |  Checkout   |  179 item(s)
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x KT-103, Optional Manual Membrane Flush Valve
3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x bulk201, Sediment Filter
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 741-14, Diverter Valve for Countertop Water Units
2 x bulk205, Carbon Block Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
4 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x UU Clips Pair from Bracket to Membrane Filter
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
6 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 752, DC Booster Pump w/ Transformer
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
2 x 720, Feed Water Adapter with Needle Valve
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FRQ420, Flow Restrictor 420ML / min
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulkc10, Koolermax Carbon Block Filter
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x bulk818, DI resin refill bags Di-Ionization media
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x FRQ200, Flow Restrictor 200ML / min
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x FRQ300, Flow Restrictor 300ML / min
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x bulkic21, Koolermax Inline Carbon Filter

View Cart$7,295.93
Specials Log InCreate Account Checkout  Shopping Cart179 item(s)
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x KT-103, Optional Manual Membrane Flush Valve
3 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x bulk201, Sediment Filter
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x 741-14, Diverter Valve for Countertop Water Units
2 x bulk205, Carbon Block Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
4 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x UU Clips Pair from Bracket to Membrane Filter
2 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
6 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 752, DC Booster Pump w/ Transformer
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
2 x 720, Feed Water Adapter with Needle Valve
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FRQ420, Flow Restrictor 420ML / min
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulkc10, Koolermax Carbon Block Filter
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x bulk818, DI resin refill bags Di-Ionization media
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x FRQ200, Flow Restrictor 200ML / min
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x FRQ300, Flow Restrictor 300ML / min
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x bulkic21, Koolermax Inline Carbon Filter

View Cart$7,295.93

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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