Log In Log In  |  Checkout   |  51 item(s)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FRQ420, Flow Restrictor 420ML / min
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 719, Drain Saddle Clamp / Valve
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe

View Cart$2,125.45
Specials Log InCreate Account Checkout  Shopping Cart51 item(s)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
4 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x FRQ420, Flow Restrictor 420ML / min
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x KF320UP, SUBSTITUTE/Upgrade Faucet BRUSHED NICKEL STAINLESS STEE
1 x 719, Drain Saddle Clamp / Valve
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe

View Cart$2,125.45

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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