Log In Log In  |  Checkout   |  183 item(s)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 310, 2nd stage CTA 10 US Membrane filter
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x WT-bac, Water Testing Kit, Bacteria Test
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x MK420, Maintenance kit for RO565
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
5 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
7 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
4 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 752, DC Booster Pump w/ Transformer
4 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FRQ300, Flow Restrictor 300ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RO585
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
2 x 706, Membrane Filter Casing Housing Assembly
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 720, Feed Water Adapter with Needle Valve
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 723, Feed Water Adapter with Ball Valve
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x EMT-10, Empty Filter Cartridge Casing Housing

View Cart$7,485.08
Specials Log InCreate Account Checkout  Shopping Cart183 item(s)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 310, 2nd stage CTA 10 US Membrane filter
3 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x WT-bac, Water Testing Kit, Bacteria Test
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x MK420, Maintenance kit for RO565
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
3 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
5 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
7 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
4 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
4 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 752, DC Booster Pump w/ Transformer
4 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x FRQ300, Flow Restrictor 300ML / min
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x *Discontinued* RO585
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
2 x 706, Membrane Filter Casing Housing Assembly
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x Special Filter Kit Koolermax dealer distribution kit
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 720, Feed Water Adapter with Needle Valve
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 723, Feed Water Adapter with Ball Valve
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x EMT-10, Empty Filter Cartridge Casing Housing

View Cart$7,485.08

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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