Log In Log In  |  Checkout   |  98 item(s)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x *Discontinued* RD106
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x *Discontinued* RO585
1 x *Discontinued* RO155
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect

View Cart$4,286.35
Specials Log InCreate Account Checkout  Shopping Cart98 item(s)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x *Discontinued* RD106
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
2 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x *Discontinued* RO585
1 x *Discontinued* RO155
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x KT-103, Optional Manual Membrane Flush Valve
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect

View Cart$4,286.35

ACHV, Check Valve Inline Type [ACHV]

$9.00

ACHV, Check Valve Inline Type



* ACHV, Check Valve Inline Type

* Please choose size from the selection box below. Both numbers are tubing OD Outside Diameter. First number is Tube in and second number is Tube out. (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 ACHV0404
* 3/8" Tube OD x 3/8" Tube OD ACHV0606
* 1/2" Tube OD x 1/2" Tube OD ACHV0707


* 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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