Log In Log In  |  Checkout   |  190 item(s)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
3 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
6 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
7 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
4 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
4 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
8 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
3 x 201, 1st stage sediment filter (replace every 6-12 months)
4 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
5 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
4 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 752, DC Booster Pump w/ Transformer
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)

View Cart$6,854.59
Specials Log InCreate Account Checkout  Shopping Cart190 item(s)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
3 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
3 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
6 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
7 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
4 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
3 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
4 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
8 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
3 x 201, 1st stage sediment filter (replace every 6-12 months)
4 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
5 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
4 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
2 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 752, DC Booster Pump w/ Transformer
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
2 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)

View Cart$6,854.59

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD [ATEU]

$3.00

ATEU, Tube Elbow Union Connector Fitting Tube OD Stem OD



* ATEU, Tube Elbow Union Fitting Tube OD - Stem OD

* Please choose size from the selection box below. First number is tubing OD and second number is Stem OD Outside Diameter (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" Stem OD ATEU0404
* 1/4" Tube OD x 3/8" Stem OD ATEU0406
* 3/8" Tube OD x 3/8" Stem OD ATEU0606
* 3/8" Tube OD x 1/2" Stem OD ATEU0607
* 1/2" Tube OD x 1/2" Stem OD ATEU0707


* 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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