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1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x *Discontinued* RO6ALK
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x HK120-P-TK for USA 110V / 60Hz
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FRQ200, Flow Restrictor 200ML / min
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x *Discontinued* RD106
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO585ERP
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x *Discontinued* RO155
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x *Discontinued* RO585NTF
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 706, Membrane Filter Casing Housing Assembly
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x FRQ850, Flow Restrictor 850ML / min
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FRQ300, Flow Restrictor 300ML / min
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system

View Cart$7,050.34
Specials Log InCreate Account Checkout  Shopping Cart110 item(s)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CBV-38, Tank Ball Valve to 3/8 tubing
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
2 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x *Discontinued* RO6ALK
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
2 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x HK120-P-TK for USA 110V / 60Hz
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x FRQ200, Flow Restrictor 200ML / min
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x DI210, Heavy-duty DI system for Aquarium and Reef
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x *Discontinued* RD106
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FM-8100T, DigiFlow Digital Water Flow Rate Meter 56" cable
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO585ERP
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x *Discontinued* RO155
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x *Discontinued* RO585NTF
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x Panel 3/4" 6710M-66TM Digital Flow Meter count up GPM 115V
1 x 706, Membrane Filter Casing Housing Assembly
1 x CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x FRQ850, Flow Restrictor 850ML / min
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FRQ300, Flow Restrictor 300ML / min
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system

View Cart$7,050.34

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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