Log In Log In  |  Checkout   |  27 item(s)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 752, DC Booster Pump w/ Transformer
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 565, Digital Pressure Gauge Tester Monitor
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better

View Cart$1,271.00
Specials Log InCreate Account Checkout  Shopping Cart27 item(s)
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 752, DC Booster Pump w/ Transformer
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 565, Digital Pressure Gauge Tester Monitor
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better

View Cart$1,271.00

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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