Log In Log In  |  Checkout   |  126 item(s)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x bulkic21, Koolermax Inline Carbon Filter
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x bulk213, Inline Carbon Filter
2 x bulk205, Carbon Block Filter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RD150
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 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 AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x bulk818, DI resin refill bags Di-Ionization media
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RD106
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
2 x bulk201, Sediment Filter
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x bulkc10, Koolermax Carbon Block Filter
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RD102
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x bulksf05, Koolermax Sediment Filter
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO

View Cart$10,516.48
Specials Log InCreate Account Checkout  Shopping Cart126 item(s)
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
2 x bulkic21, Koolermax Inline Carbon Filter
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x bulk213, Inline Carbon Filter
2 x bulk205, Carbon Block Filter
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x Parts, Ro Water System Installation Parts Bag 1/4"
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RD150
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 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 AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
2 x bulk818, DI resin refill bags Di-Ionization media
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RD106
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Bundle Filter KPAK-104bm Sediment Carbon DI Resin Membrane
2 x bulk201, Sediment Filter
2 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x bulkc10, Koolermax Carbon Block Filter
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RD102
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
2 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x bulksf05, Koolermax Sediment Filter
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x 4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x KF310, Elite Series: Polish Chrome Drinking Water Faucet
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x KF320, Elite Series: Brushed Nickel / Stainless Steel Faucet
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO

View Cart$10,516.48

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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