Log In Log In  |  Checkout   |  147 item(s)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 205, 5th stage final carbon filter
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x *Discontinued* RD106
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x *Discontinued* RD150
1 x *Discontinued* RD102
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
4 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x *Discontinued* RO155C
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 578, TDS Water Quality Meter tds-3
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 752, DC Booster Pump w/ Transformer
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x WS-150M, Whole House Water Softener
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x bulkc10, Koolermax Carbon Block Filter
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction

View Cart$11,108.57
Specials Log InCreate Account Checkout  Shopping Cart147 item(s)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
3 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 205, 5th stage final carbon filter
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x *Discontinued* RD106
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x *Discontinued* RD150
1 x *Discontinued* RD102
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
2 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
4 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x Special Filter Kit Koolermax dealer distribution kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x *Discontinued* RO155C
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x 578, TDS Water Quality Meter tds-3
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 752, DC Booster Pump w/ Transformer
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x WS-150M, Whole House Water Softener
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x bulkc10, Koolermax Carbon Block Filter
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction

View Cart$11,108.57

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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