Log In | Checkout | 52 item(s)

1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x bulk818, DI resin refill bags Di-Ionization media
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x bulk201, Sediment Filter
1 x WS-150M, Whole House Water Softener
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x 913, 5th stage inline carbon filter (every 12 months)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
View Cart $5,651.49

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52 item(s)

1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	.SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	204, 2nd stage GAC filter (replace every 6-12 months)
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	bulk818, DI resin refill bags Di-Ionization media
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	bulk201, Sediment Filter
1 x	WS-150M, Whole House Water Softener
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x	316UP, Upgrade for CTA20 gal/day (includes US Membrane filter)
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House

View Cart	$5,651.49

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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