Log In Log In  |  Checkout   |  54 item(s)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 720, Feed Water Adapter with Needle Valve
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 723, Feed Water Adapter with Ball Valve
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
View Cart$1,023.33
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Specials Log InCreate Account Checkout  Shopping Cart54 item(s)
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 720, Feed Water Adapter with Needle Valve
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x 723, Feed Water Adapter with Ball Valve
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
View Cart$1,023.33

FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch [FPK-AUC0404]

$14.95

FPK, 6 pcs Fitting Pack Union Connector 1/4\" quarter inch

Quantity

 

Description

 

 

6

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

part# AUC 0404

 



 

 

* 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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