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2 x 205 2nd stage solid carbon block filter (replace every 12 month)
5 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x HK120-P-TK for USA 110V / 60Hz
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x *Discontinued* RO585
1 x *Discontinued* RO585NTF
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x 752, DC Booster Pump w/ Transformer
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x WS-150M, Whole House Water Softener
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)

View Cart$6,565.94
Specials Log InCreate Account Checkout  Shopping Cart97 item(s)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
5 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x HK120-P-TK for USA 110V / 60Hz
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
3 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x *Discontinued* RO585
1 x *Discontinued* RO585NTF
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x 752, DC Booster Pump w/ Transformer
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
3 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x WS-150M, Whole House Water Softener
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)

View Cart$6,565.94

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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