Log In Log In  |  Checkout   |  204 item(s)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
6 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x *Discontinued* RO6ALK
2 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x *Discontinued* RD106
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
4 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 913, 5th stage inline carbon filter (every 12 months)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 723, Feed Water Adapter with Ball Valve
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RD150
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 706, Membrane Filter Casing Housing Assembly
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x *Discontinued* RD102
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x DI210, Heavy-duty DI system for Aquarium and Reef
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x KT-103, Optional Manual Membrane Flush Valve
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 752, DC Booster Pump w/ Transformer
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 720, Feed Water Adapter with Needle Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 719, Drain Saddle Clamp / Valve
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet

View Cart$9,930.57
Specials Log InCreate Account Checkout  Shopping Cart204 item(s)
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
1 x PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
6 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x *Discontinued* RO6ALK
2 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x 727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
2 x *Discontinued* RD106
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
4 x Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x 581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
1 x 335, 3rd stage TFC 35/45 US membrane filter (every 2-3 yrs)
5 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x 913, 5th stage inline carbon filter (every 12 months)
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
5 x Optional: 564 Membrane Filter Housing Wrench Opener
3 x Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
2 x 701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
5 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
2 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x 6044-combo Compression Type Fitting Elbow and Tee fitting
1 x SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
2 x 4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x SW SHELL, Countertop SW1 Empty System Only No Filter
1 x 723, Feed Water Adapter with Ball Valve
3 x 752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x .AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x *Discontinued* RD150
2 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x 773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
2 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x 818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x 4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x 213, 4th stage inline carbon filter (replace every 12 months)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
3 x 205 2nd stage solid carbon block filter (replace every 12 month)
2 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x .AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x 706, Membrane Filter Casing Housing Assembly
2 x FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
1 x Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
2 x FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
1 x .AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x 709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
2 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x 3rd stage C10 carbon block filter (replace every 6-12 months)
1 x FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x *Discontinued* RD102
1 x TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x .AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
2 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x DI210, Heavy-duty DI system for Aquarium and Reef
4 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
2 x KT-103, Optional Manual Membrane Flush Valve
1 x 755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
2 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
3 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x 335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x Special, Single Stage Housing Bracket Shell Connection Kit
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5150P
1 x CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x 205, 2nd stage carbon block filter (replace every 12 months)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
1 x 799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x .K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
1 x PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
2 x 602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x Parts, Ro Water System Installation Parts Bag 1/4"
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x .RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x .K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
2 x CBV-0404, Tank Ball Valve to 1/4 tubing *standard RO tank size*
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x .K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x 2nd stage C10 carbon block filter (replace every 6-12 months)
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
1 x 741-38, Diverter Valve for RO DI Water Systems
1 x 759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 x KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x 335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
1 x 752, DC Booster Pump w/ Transformer
2 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 205, 3rd stage solid carbon block filter (replace every 12 month
1 x FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x 721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x 741-14, Diverter Valve for Countertop Water Units
1 x 4064K Male Connector Elbow 3/8 OD Compression Fitting 1/4 NPT
1 x AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x 720, Feed Water Adapter with Needle Valve
1 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x 6th Stage pn215 Refillable inline DI filter (color change)
1 x 719, Drain Saddle Clamp / Valve
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x KF750, Elite Series: Polish Chrome Drinking Water Faucet

View Cart$9,930.57
Information

Instruction for Refilling the 215 Inline DI filter



1. Turn off the water supply and turn off the tank valve (if there is pressure tank)

2. Disconnect tubing from both ends of the filter by unscrewing off the compression nut.

3. Unscrew one end of the cap and throw away the DI resin. Please make sure the O-ring stays in place.

4. Rinse and clean the inside of the filter casing, the cap, and the thread of the filter.

5. Refill new DI resin using a spoon or just pour in the resin to 99% full and compact the resin.

6. Clean and remove any excess resin on the threads using a brush.

7. Make sure the O-ring is in place on the cap or on its proper location.

8. Screw on the cap tight by hand.

9. Connect the tubing back and turn on the water supply and tank valve (if there is a pressure tank)

10. Check for leaks. If there is a leak at the cap. Screw the cap tighter, or unscrew the cap off and align the O-ring and try again.



Note:

DI resin should be refilled when the resin color changed to dark brown or black color, or when TDS reading became higher than your acceptable range.

For example, if TDS reading before the DI filter is 30 ppm, and after DI the TDS is about 25 to 30 ppm then it’s time to replace it.
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