Log In Log In  |  Checkout   |  61 item(s)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 752, DC Booster Pump w/ Transformer
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)

View Cart$1,834.99
Specials Log InCreate Account Checkout  Shopping Cart61 item(s)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 752, DC Booster Pump w/ Transformer
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)

View Cart$1,834.99

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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