Log In Log In  |  Checkout   |  54 item(s)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SC209, Specialty Filter Nitrate Removal Filter
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
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
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 741-14, Diverter Valve for Countertop Water Units
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 719, Drain Saddle Clamp / Valve
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 720, Feed Water Adapter with Needle Valve
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MK420, Maintenance kit for RO565
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Special Filter Kit Koolermax dealer distribution kit

View Cart$2,366.99
Specials Log InCreate Account Checkout  Shopping Cart54 item(s)
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x SC209, Specialty Filter Nitrate Removal Filter
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x 3rd stage Special High Efficiency Membrane Filter HTFC-150
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
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
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 741-14, Diverter Valve for Countertop Water Units
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x .K5 KoolerMax 75GPD 5 STAGE REVERSE OSMOSIS RO FILTER SYSTEM
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x 719, Drain Saddle Clamp / Valve
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 720, Feed Water Adapter with Needle Valve
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x MK8002, Maintenance kit for double membrane system RD322 RO260
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x MK420, Maintenance kit for RO565
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x Special Filter Kit Koolermax dealer distribution kit

View Cart$2,366.99

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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