Log In | Checkout | 87 item(s)

1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 720, Feed Water Adapter with Needle Valve
1 x 719, Drain Saddle Clamp / Valve
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 706, Membrane Filter Casing Housing Assembly
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 723, Feed Water Adapter with Ball Valve
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x Optional: 564 Membrane Filter Housing Wrench Opener
View Cart $1,863.97

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87 item(s)

1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	720, Feed Water Adapter with Needle Valve
1 x	719, Drain Saddle Clamp / Valve
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	706, Membrane Filter Casing Housing Assembly
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	723, Feed Water Adapter with Ball Valve
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	Optional: 564 Membrane Filter Housing Wrench Opener

View Cart	$1,863.97

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

$16.00

Quantity

Description

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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