Log In Log In  |  Checkout   |  80 item(s)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk818, DI resin refill bags Di-Ionization media
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 723, Feed Water Adapter with Ball Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x KT-103, Optional Manual Membrane Flush Valve
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
View Cart$3,396.34
Home
Specials Log InCreate Account Checkout  Shopping Cart80 item(s)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x bulk818, DI resin refill bags Di-Ionization media
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 723, Feed Water Adapter with Ball Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
3 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 4th Stage Color Changing DI Filter SC207 for AR-104H
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x KT-103, Optional Manual Membrane Flush Valve
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
View Cart$3,396.34

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch [FPK-AUC0706]

$19.95

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch

Quantity

 

Description

 

 

6

Union Connector, 1/2" to 3/8"

part# AUC 0706

 



 

 

* 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. 

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