Log In Log In  |  Checkout   |  56 item(s)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KT-103, Optional Manual Membrane Flush Valve
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RO585A
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x *Discontinued* RO6ALK
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 752, DC Booster Pump w/ Transformer
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO585NTF
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G

View Cart$3,299.50
Specials Log InCreate Account Checkout  Shopping Cart56 item(s)
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
3 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x KT-103, Optional Manual Membrane Flush Valve
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x WH-10, Whole House Water Treatment Carbon Filter System 10" Big
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RO585A
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x *Discontinued* RO6ALK
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 752, DC Booster Pump w/ Transformer
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x MKP, Maintenance kit for K5150P K6150P AR150P
1 x Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 310, 2nd stage CTA 10 US Membrane filter
1 x .K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x *Discontinued* RO585NTF
1 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G

View Cart$3,299.50

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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