Log In Log In  |  Checkout   |  152 item(s)
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 213, 4th stage inline carbon filter (replace every 12 months)
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x EMT-10, Empty Filter Cartridge Casing Housing
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 741-14, Diverter Valve for Countertop Water Units
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
4 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x *Discontinued* RO585ERP
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x bulksf05, Koolermax Sediment Filter
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x *Discontinued* RD150
1 x 723, Feed Water Adapter with Ball Valve
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulk818, DI resin refill bags Di-Ionization media
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x UU Clips Pair from Bracket to Membrane Filter
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Special Filter Kit Koolermax dealer distribution kit
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x bulkc10, Koolermax Carbon Block Filter
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
View Cart$7,527.62
Home
Specials Log InCreate Account Checkout  Shopping Cart152 item(s)
3 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 213, 4th stage inline carbon filter (replace every 12 months)
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
2 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
2 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x EMT-10, Empty Filter Cartridge Casing Housing
3 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 741-14, Diverter Valve for Countertop Water Units
2 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
4 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x *Discontinued* RO585ERP
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x bulksf05, Koolermax Sediment Filter
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x *Discontinued* RD150
1 x 723, Feed Water Adapter with Ball Valve
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x bulk818, DI resin refill bags Di-Ionization media
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x UU Clips Pair from Bracket to Membrane Filter
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
2 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Special Filter Kit Koolermax dealer distribution kit
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x bulkc10, Koolermax Carbon Block Filter
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
View Cart$7,527.62

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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