Log In Log In  |  Checkout   |  159 item(s)
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Special Filter Kit Koolermax dealer distribution kit
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x 723, Feed Water Adapter with Ball Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 719, Drain Saddle Clamp / Valve
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x 720, Feed Water Adapter with Needle Valve
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205, 5th stage final carbon filter
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 741-14, Diverter Valve for Countertop Water Units
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x 741-38, Diverter Valve for RO DI Water Systems
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 752, DC Booster Pump w/ Transformer
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
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 FRQ550, Flow Restrictor 500 to 600ML / min
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 706, Membrane Filter Casing Housing Assembly
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x FRQ850, Flow Restrictor 850ML / min
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FRQ200, Flow Restrictor 200ML / min
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM

View Cart$4,356.50
Specials Log InCreate Account Checkout  Shopping Cart159 item(s)
2 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x Special Filter Kit Koolermax dealer distribution kit
1 x SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
2 x 723, Feed Water Adapter with Ball Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x 719, Drain Saddle Clamp / Valve
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x SC435, Specialty Filter Arsenic / Fluoride Removal Filter
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
2 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
2 x 720, Feed Water Adapter with Needle Valve
1 x 326, 3rd stage TFC 24 /26 US membrane filter (replace 2-3 yrs)
2 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
2 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
2 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 205, 5th stage final carbon filter
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
2 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x 741-14, Diverter Valve for Countertop Water Units
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x 741-38, Diverter Valve for RO DI Water Systems
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
2 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x 752, DC Booster Pump w/ Transformer
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x 1.SED2005, 1st stage sediment filter 20" inch for RD322 RO260
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
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 FRQ550, Flow Restrictor 500 to 600ML / min
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 706, Membrane Filter Casing Housing Assembly
1 x 718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x FRQ850, Flow Restrictor 850ML / min
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x 718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x FRQ200, Flow Restrictor 200ML / min
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM

View Cart$4,356.50

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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