Log In Log In  |  Checkout   |  60 item(s)
1 x 752, DC Booster Pump w/ Transformer
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 720, Feed Water Adapter with Needle Valve
View Cart$1,528.61
Home
Specials Log InCreate Account Checkout  Shopping Cart60 item(s)
1 x 752, DC Booster Pump w/ Transformer
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 316, 2nd stage CTA 16 US Membrane filter
2 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 720, Feed Water Adapter with Needle Valve
View Cart$1,528.61

FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch [FPK-AUC0604]

$16.00

FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch

Quantity

 

Description

 

 

6

Union Connector, 3/8" to 1/4"

part# AUC 0604

 



 

 

* 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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