Log In | Checkout | 69 item(s)

1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x bulk213, Inline Carbon Filter
4 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 205, 5th stage final carbon filter
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FRQ420, Flow Restrictor 420ML / min
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x FRQ300, Flow Restrictor 300ML / min
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
View Cart $2,459.29

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69 item(s)

1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
3 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	bulk213, Inline Carbon Filter
4 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	205, 5th stage final carbon filter
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
3 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	FRQ420, Flow Restrictor 420ML / min
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	225, 5th stage Inline Alkaline filter with clear case (annual)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	FRQ300, Flow Restrictor 300ML / min
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	.K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x	324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	213, 5th stage inline carbon postfilter (replace every 12months)

View Cart	$2,459.29

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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