Log In Log In  |  Checkout   |  43 item(s)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 752, DC Booster Pump w/ Transformer
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x *Discontinued* RO155
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 720, Feed Water Adapter with Needle Valve
1 x CKV0402, Blue color Elbow Check Valve Elbow Type

View Cart$1,313.43
Specials Log InCreate Account Checkout  Shopping Cart43 item(s)
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x 752, DC Booster Pump w/ Transformer
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 706, Membrane Filter Casing Housing Assembly
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x NM-5102, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
2 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x DB40, DI Resin Refill Bag for DI210, RD322
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x *Discontinued* RO155
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 720, Feed Water Adapter with Needle Valve
1 x CKV0402, Blue color Elbow Check Valve Elbow Type

View Cart$1,313.43

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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