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1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x *Discontinued* RD102
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x 201, 1st stage sediment filter (replace every 6-12 months)
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
5 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 913, 5th stage inline carbon filter (every 12 months)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x *Discontinued* RD150
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
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 Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x 5th stage 225 Inline Alkaline filter with clear housing (annual)

View Cart$3,804.74
Specials Log InCreate Account Checkout  Shopping Cart89 item(s)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x *Discontinued* RD102
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
3 x 201, 1st stage sediment filter (replace every 6-12 months)
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
5 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 913, 5th stage inline carbon filter (every 12 months)
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x *Discontinued* RD150
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
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 Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x 5th stage 225 Inline Alkaline filter with clear housing (annual)

View Cart$3,804.74

ASA, Stem Adapter NPT Thread [ASA]

$2.50

ASA, Stem Adapter NPT Thread



* ASA, Stem Adapter NPT Thread

* Please choose size from the selection box below. First number is tubing OD Outside Diameter and second number is NPT National Pipe Thread. (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" NPTF Thread ASA0404
* 1/4" Tube OD x 1/8" NPTF Thread ASA0402
* 3/8" Tube OD x 1/4" NPTF Thread ASA0604
* 3/8" Tube OD x 3/8" NPTF Thread ASA0606
* 1/2" Tube OD x 3/8" NPTF Thread ASA0706
* 1/2" Tube OD x 1/2" NPTF Thread ASA0707


* 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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