Log In Log In  |  Checkout   |  117 item(s)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x bulk201, Sediment Filter
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 752, DC Booster Pump w/ Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
6 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 723, Feed Water Adapter with Ball Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x *Discontinued* RD150
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Special Filter Kit Koolermax dealer distribution kit
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x bulkc10, Koolermax Carbon Block Filter
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x bulksf05, Koolermax Sediment Filter
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 741-14, Diverter Valve for Countertop Water Units
2 x 706, Membrane Filter Casing Housing Assembly
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x *Discontinued* RO585A
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 719, Drain Saddle Clamp / Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x bulkic21, Koolermax Inline Carbon Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 205, 5th stage final carbon filter
1 x 578, TDS Water Quality Meter tds-3
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
View Cart$9,139.44
Home
Specials Log InCreate Account Checkout  Shopping Cart117 item(s)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x bulk201, Sediment Filter
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x 752, DC Booster Pump w/ Transformer
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
6 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 723, Feed Water Adapter with Ball Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x *Discontinued* RD150
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x Special Filter Kit Koolermax dealer distribution kit
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
2 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
3 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x WH1134 Whole House Restaurant Filter System Sediment Carbon Big
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x bulkc10, Koolermax Carbon Block Filter
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x bulksf05, Koolermax Sediment Filter
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x 741-14, Diverter Valve for Countertop Water Units
2 x 706, Membrane Filter Casing Housing Assembly
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
2 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x *Discontinued* RO585A
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
1 x 719, Drain Saddle Clamp / Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x bulkic21, Koolermax Inline Carbon Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
1 x 205, 5th stage final carbon filter
1 x 578, TDS Water Quality Meter tds-3
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x FRQ550, Flow Restrictor 500 to 600ML / min
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
View Cart$9,139.44

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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