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1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x *Discontinued* RD106
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x MK420, Maintenance kit for RO565
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 723, Feed Water Adapter with Ball Valve
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
4 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FRQ850, Flow Restrictor 850ML / min
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FRQ300, Flow Restrictor 300ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 706, Membrane Filter Casing Housing Assembly
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x FRQ420, Flow Restrictor 420ML / min
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 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
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CBV-38, Tank Ball Valve to 3/8 tubing

View Cart$4,187.89
Specials Log InCreate Account Checkout  Shopping Cart123 item(s)
1 x CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x 532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
2 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
3 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
4 x 205, 3rd stage solid carbon block filter (replace every 12month)
3 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
2 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x *Discontinued* RD106
2 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
4 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x KT-103, Optional Manual Membrane Flush Valve
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x MK420, Maintenance kit for RO565
1 x 2.CB2010, 2nd stage carbon block filter 20" inch for RD322 RO260
1 x 365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x 756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
3 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 723, Feed Water Adapter with Ball Valve
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
4 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
2 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
2 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x FRQ850, Flow Restrictor 850ML / min
2 x Optional: 564 Membrane Filter Housing Wrench Opener
1 x SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
3 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x FRQ300, Flow Restrictor 300ML / min
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x 706, Membrane Filter Casing Housing Assembly
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x 310, 2nd stage CTA 10 US Membrane filter (every 2-3 yrs)
1 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x FRQ420, Flow Restrictor 420ML / min
1 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 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
1 x N-14-1M, Nipple Fitting connector between standard RO housing
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 1044-K Male Connector 1/4 OD x 1/4 NPT Compression Fitting
1 x 285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x 290, CB2010BB Big Blue 20" Carbon Block Filter WH20 WH250 WH2201
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x 4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x 718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x FK-BB10K3, Big Blue Filter Pack Bundle for WH-1030 Whole House
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x CBV-38, Tank Ball Valve to 3/8 tubing

View Cart$4,187.89

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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