Log In Log In  |  Checkout   |  119 item(s)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
4 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RD102
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 752, DC Booster Pump w/ Transformer
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RO155
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RD106
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x KT-103, Optional Manual Membrane Flush Valve
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x HK120-P-TK for USA 110V / 60Hz
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)

View Cart$6,297.44
Specials Log InCreate Account Checkout  Shopping Cart119 item(s)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
4 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
4 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RD102
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
2 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x Special, Output Conversion Kit Convert from 1/4" to 3/8"
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 752, DC Booster Pump w/ Transformer
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
3 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x *Discontinued* RO155
1 x 225, 5th stage Inline Alkaline filter with clear case (annual)
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6150P
5 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x *Discontinued* RD106
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
3 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x AMTU-0404 Male Tee Union Connector NPT Thread 1/4" Quick Connect
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x .AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
3 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x KT-103, Optional Manual Membrane Flush Valve
2 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x N-14-1M, Nipple Fitting connector between standard RO housing
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x HK120-P-TK-220V for EURO 220V / 50Hz
1 x HK120-P-TK for USA 110V / 60Hz
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x *Discontinued* RO155C
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x O-RING FOR WH10 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 10" CANISTER
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)

View Cart$6,297.44

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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