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2 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 706, Membrane Filter Casing Housing Assembly
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RO585NTF
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD150
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x Special Filter Kit Koolermax dealer distribution kit
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 723, Feed Water Adapter with Ball Valve
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x FRQ300, Flow Restrictor 300ML / min
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 752, DC Booster Pump w/ Transformer
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 578, TDS Water Quality Meter tds-3
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x *Discontinued* RD106
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102

View Cart$8,339.85
Specials Log InCreate Account Checkout  Shopping Cart144 item(s)
2 x Special, Single Stage Housing Bracket Shell Connection Kit
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
3 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 706, Membrane Filter Casing Housing Assembly
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RO585NTF
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KT-103, Optional Manual Membrane Flush Valve
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
2 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x *Discontinued* RD150
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
2 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x EMT-10, Empty Filter Cartridge Casing Housing
2 x Special Filter Kit Koolermax dealer distribution kit
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 723, Feed Water Adapter with Ball Valve
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x FRQ300, Flow Restrictor 300ML / min
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 741-38, Diverter Valve for RO DI Water Systems
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x 752, DC Booster Pump w/ Transformer
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 578, TDS Water Quality Meter tds-3
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x *Discontinued* RD106
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 5th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102

View Cart$8,339.85

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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