Log In Log In  |  Checkout   |  43 item(s)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 752, DC Booster Pump w/ Transformer
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x *Discontinued* RO585ERP
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO585
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO6ALK
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better

View Cart$2,775.00
Specials Log InCreate Account Checkout  Shopping Cart43 item(s)
1 x .K5NTF KoolerMax K5 RO System Shell without tank and faucet
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x RF62, Replacement filter for CT-6000, UC7000, SW-1, and SW-1C
1 x .SW-1C COUNTERTOP WATER FILTER SYSTEM (CLEAR HOUSING)
1 x 752, DC Booster Pump w/ Transformer
1 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x *Discontinued* RO585ERP
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
2 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x *Discontinued* RO585
1 x NM-5001C, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
2 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x *Discontinued* RO6ALK
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better

View Cart$2,775.00

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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