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1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Parts, Ro Water System Installation Parts Bag 1/4"

View Cart$3,902.84
Specials Log InCreate Account Checkout  Shopping Cart76 item(s)
1 x 3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
3 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x 2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x 277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x Panel 1/2" 6710M-44TM Digital Flow Meter count up Gallon 115V
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
2 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x FKD-66, Replacement Filter Pack SED2005 CB2010 DB40 for RD322
1 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x 204, 2nd stage GAC filter (replace every 6-12 months)
1 x 673, Replacement UV Lamp Light for 602 (6 Watts)
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
2 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x EMT-10, Empty Filter Cartridge Casing Housing
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Parts, Ro Water System Installation Parts Bag 1/4"

View Cart$3,902.84

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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