Log In Log In  |  Checkout   |  158 item(s)
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
3 x 752, DC Booster Pump w/ Transformer
1 x CBV-38, Tank Ball Valve to 3/8 tubing
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x bulk205, Carbon Block Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x *Discontinued* RD102
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x *Discontinued* RO6ALK
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Parts, Ro Water System Installation Parts Bag 1/4"
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x FRQ420, Flow Restrictor 420ML / min
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 720, Feed Water Adapter with Needle Valve
1 x bulkc10, Koolermax Carbon Block Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x FRQ850, Flow Restrictor 850ML / min
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x *Discontinued* RO585NTF
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x 706, Membrane Filter Casing Housing Assembly
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x HK120-P-TK for USA 110V / 60Hz
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G

View Cart$9,558.28
Specials Log InCreate Account Checkout  Shopping Cart158 item(s)
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x AQF-600-105, Flow Meter Panel Mount 1/2" MPT
3 x 752, DC Booster Pump w/ Transformer
1 x CBV-38, Tank Ball Valve to 3/8 tubing
4 x 1st stage SF05 sediment filter (replace every 6-12 months)
3 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
4 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 205, 2nd stage carbon block filter (replace every 12 months)
3 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
3 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x bulk205, Carbon Block Filter
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x *Discontinued* RD102
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x *Discontinued* RO6ALK
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x KT-103, Optional Manual Membrane Flush Valve
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x Parts, Ro Water System Installation Parts Bag 1/4"
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x FRQ420, Flow Restrictor 420ML / min
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x 720, Feed Water Adapter with Needle Valve
1 x bulkc10, Koolermax Carbon Block Filter
1 x FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x FRQ850, Flow Restrictor 850ML / min
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x 565, Digital Pressure Gauge Tester Monitor
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x MKP, Maintenance kit for K5150P K6150P AR150P
3 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
2 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x *Discontinued* RO585NTF
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
2 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x WSACF-150T, Whole House Water Treatment ACF-150T
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x 706, Membrane Filter Casing Housing Assembly
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x HK120-P-TK for USA 110V / 60Hz
1 x Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x WT-bac, Water Testing Kit, Bacteria Test
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G

View Cart$9,558.28

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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