Log In Log In  |  Checkout   |  142 item(s)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO155C
2 x EMT-10, Empty Filter Cartridge Casing Housing
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 578, TDS Water Quality Meter tds-3
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 205, 5th stage final carbon filter
1 x *Discontinued* RO585NTF
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x *Discontinued* RO585A
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x PE Tubing Tube Cutter
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x *Discontinued* RD106
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x bulk213, Inline Carbon Filter
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x bulk205, Carbon Block Filter
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x UU Clips Pair from Bracket to Membrane Filter
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G

View Cart$10,796.94
Specials Log InCreate Account Checkout  Shopping Cart142 item(s)
1 x bulkic21, Koolermax Inline Carbon Filter
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO155C
2 x EMT-10, Empty Filter Cartridge Casing Housing
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x 578, TDS Water Quality Meter tds-3
1 x FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x 201, 1st stage sediment filter (replace every 6-12 months)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x bulk818, DI resin refill bags Di-Ionization media
1 x 706, Membrane Filter Casing Housing Assembly
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
2 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x 214, Clear Inline Filter Cartridge Empty Case
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 205, 5th stage final carbon filter
1 x *Discontinued* RO585NTF
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x *Discontinued* RO585A
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x PE Tubing Tube Cutter
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x *Discontinued* RD106
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x bulk213, Inline Carbon Filter
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x bulk205, Carbon Block Filter
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x .K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x UU Clips Pair from Bracket to Membrane Filter
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G

View Cart$10,796.94

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G [531]

$45.00

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G



* 531, RO Storage Pressure Tank, 3 Gallon, for replacement of Honeywell or Filtercold small blue tank

* Specification:
White color, outside volume 2 gallons, inside bladder holds about 2 gallons @ 60 psi input pressure

* Dimension: 9" diameter, 14" height, 1/4"MPT inlet connection

* Material:
Outside is steel, inside is a FDA approved food grade bladder. Stainless steel connection on top. Purified water only come in contact with bladder and the stainless steel connector on top. The tank is pre-charged to 7 psi.

* Meets NSF standard 58.

* Tank valve is included.

* Recommended changing every 5 to 7 years



If you'd like to know more.....
A pressure tank is used in RO systems to accumulate water and provide pressure at dispensing faucet. It has a water bladder inside the tank that holds the purified water, and outside the bladder is the compressed air. When you dispense water, the compressed air squeezes the bladder and forces the water out with pressure. You can connect several tanks together also to provide more water.

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