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1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x *Discontinued* RD102
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 752, DC Booster Pump w/ Transformer
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 741-38, Diverter Valve for RO DI Water Systems
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FRQ850, Flow Restrictor 850ML / min
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x *Discontinued* RO585A
1 x 723, Feed Water Adapter with Ball Valve
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KT-103, Optional Manual Membrane Flush Valve
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
View Cart$4,044.44
Home
Specials Log InCreate Account Checkout  Shopping Cart74 item(s)
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x *Discontinued* RD102
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 752, DC Booster Pump w/ Transformer
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 741-38, Diverter Valve for RO DI Water Systems
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FRQ850, Flow Restrictor 850ML / min
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x *Discontinued* RO585A
1 x 723, Feed Water Adapter with Ball Valve
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x KT-103, Optional Manual Membrane Flush Valve
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
View Cart$4,044.44

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch [FPK-AUC0706]

$19.95

FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch

Quantity

 

Description

 

 

6

Union Connector, 1/2" to 3/8"

part# AUC 0706

 



 

 

* 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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