Log In Log In  |  Checkout   |  75 item(s)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PE Tubing Tube Cutter
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x KT-103, Optional Manual Membrane Flush Valve
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 578, TDS Water Quality Meter tds-3
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x *Discontinued* RD150
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x *Discontinued* RD102
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752, DC Booster Pump w/ Transformer
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x WS-150M, Whole House Water Softener
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350

View Cart$8,782.13
Specials Log InCreate Account Checkout  Shopping Cart75 item(s)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x PE Tubing Tube Cutter
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x KT-103, Optional Manual Membrane Flush Valve
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 578, TDS Water Quality Meter tds-3
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x *Discontinued* RD150
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x *Discontinued* RD102
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 752, DC Booster Pump w/ Transformer
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x WS-150M, Whole House Water Softener
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350

View Cart$8,782.13

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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