Log In | Checkout | 35 item(s)

1 x WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 752, DC Booster Pump w/ Transformer
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x bulkc10, Koolermax Carbon Block Filter
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
View Cart $1,972.94

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35 item(s)

1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	752, DC Booster Pump w/ Transformer
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	205, 2nd stage carbon block filter (replace every 12 months)
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	bulkc10, Koolermax Carbon Block Filter
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
2 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	Discontinued RO155C
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch

View Cart	$1,972.94

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

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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