Log In | Checkout | 54 item(s)

2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 706, Membrane Filter Casing Housing Assembly
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
View Cart $2,524.64

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54 item(s)

2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	706, Membrane Filter Casing Housing Assembly
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	213, 5th stage inline carbon postfilter (replace every 12months)
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x	KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING

View Cart	$2,524.64

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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