Log In Log In  |  Checkout   |  92 item(s)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x *Discontinued* RD150
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 706, Membrane Filter Casing Housing Assembly
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x 578, TDS Water Quality Meter tds-3
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart$3,473.29
Specials Log InCreate Account Checkout  Shopping Cart92 item(s)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x *Discontinued* RD150
1 x DI210, Heavy-duty DI system for Aquarium and Reef
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
2 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 706, Membrane Filter Casing Housing Assembly
1 x UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x 578, TDS Water Quality Meter tds-3
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter
1 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)

View Cart$3,473.29

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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