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Water Filter System Parts & Accessories

Find water filter parts and accessories, such as mounting brackets, replacement o-rings, refrigerator ice makers, and water test kits to meet all of your clean water needs. Discount Filter Store has over a hundred different parts for various water filter systems offered by top brands. We are a trusted distributor of Pentek, Kenmore, and HM Digital. Make sure that you have the right tools to keep your water clean and healthy. At Discount Filter Store, we make buying water filter parts easy.

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  1. BA-TDS-14 Tier1 Inline TDS Monitor

    BA-TDS-14 Tier1 Inline TDS Monitor

    Fits standard 1/4-inch water lines Learn More
    $23.99 Retail Price:  $29.89
  2. QMP502-38 Tier1 Compression Diverter Valve

    QMP502-38 Tier1 Compression Diverter Valve

    Fits standard 3/8-inch water lines Learn More
    $12.99 Retail Price:  $17.24
  3. BA-TDS-38 Tier1 Inline TDS Monitor

    BA-TDS-38 Tier1 Inline TDS Monitor

    Fits standard 3/8-inch water lines Learn More
    $26.99 Retail Price:  $33.34
  4. CNTP-DV-14C Tier1 Diverter Valve

    CNTP-DV-14C Tier1 Diverter Valve

    Fits various countertop reverse osmosis systems Learn More
    $8.99 Retail Price:  $13.90
  5. KDF-55 Tier1 Water Treatment Media
  6. M100 Tier1 Plastic Hex Nipple

    M100 Tier1 Plastic Hex Nipple

    Fits standard 1-inch water lines and FPT connections Learn More
    $3.49 Retail Price:  $6.31
  7. M34 Tier1 Plastic Hex Nipple

    M34 Tier1 Plastic Hex Nipple

    Fits standard 3/4-inch water lines and FPT connections Learn More
    $2.99 Retail Price:  $5.74
  8. OR-LUBRICANT-LG Tier1 Food-Grade Silicone O-Ring Lubricant
  9. OR-LUBRICANT-SM Tier1 Food-Grade Silicone O-Ring Lubricant
  10. PFR402Q-150 Tier1 Inline Flow Restrictor

    PFR402Q-150 Tier1 Inline Flow Restrictor

    Fits standard 1/4-inch water lines Learn More
    $10.99 Retail Price:  $13.79
  11. PFR402Q-500 Tier1 Inline Flow Restrictor

    PFR402Q-500 Tier1 Inline Flow Restrictor

    Fits standard 1/4-inch water lines Learn More
    $7.99 Retail Price:  $11.49
  12. OR-34 Tier1 O-Ring

    OR-34 Tier1 O-Ring

    Sized at 4 inches and fits into most standard whole house water filtration system housings Learn More
    $1.99 Retail Price:  $3.44
  13. KDF-85 Tier1 Water Treatment Media

    KDF-85 Tier1 Water Treatment Media

    For use with use with GAC beds, ion exchange resins, carbon block filters or inline carbon water filters Learn More
    $523.99 Retail Price:  $526.34
  14. PREMIUM Tier1 Water Testing and Analysis Service for CITY water

    PREMIUM Tier1 Water Testing and Analysis Service for CITY water

    This premium mail-in service option for city water will test for: 1. Chlorine 2. Hardness 3. Copper 4. Lead 5. Nitrates 6. Nitrites 7. Total Dissolved Solids (TDS) Learn More

    $39.00

  15. PREMIUM Tier1 Water Testing and Analysis Service for WELL water

    PREMIUM Tier1 Water Testing and Analysis Service for WELL water

    This premium mail-in service option for well water will test for below typical well water contaminants and analyze if they are outside of EPA recommended norms. 1. Hardness 2. Copper 3. Lead 4. Nitrates 5. Nitrites 6. pH 7. Bacteria 8. Iron 9. Pesticide 10. Sulphides 11. TDS (total dissolved solids) Learn More

    $69.00

  16. OR-100 Tier1 Lubricated O-Ring

    OR-100 Tier1 Lubricated O-Ring

    Fits into 10 and 20 inch Big Blue water filtration system housings Learn More
    $3.99 Retail Price:  $5.74
  17. FMS-2 Tier1 Water Flow Sensor

    FMS-2 Tier1 Water Flow Sensor

    Sized at .75 inches by 2.52 inches Learn More
    $15.99 Retail Price:  $20.69
  18. 7 Panel Water Test Kit by Tier1

    7 Panel Water Screening Test Kit by Tier1

    Water sample testing kit Learn More
    $19.99 Retail Price:  $25.99
  19. 2WB-SS Tier1 Double Filter Housing Mounting Bracket - Clear / Blue

    2WB-SS Tier1 Double Filter Housing Mounting Bracket - Clear / Blue

    Fits two 10-inch or 20-inch Big Blue or Big Clear filter housings Learn More
    $38.99
  20. 3WB-SS Tier1 Triple Filter Housing Mounting Bracket

    3WB-SS Tier1 Triple Filter Housing Mounting Bracket

    Fits three 10-inch or 20-inch Big Blue or Big Clear filter housings Learn More

    Regular Price: $39.99

    Special Price: $26.05

  21. AM-OR Tier1 Filter Housing Sump O-Ring

    AM-OR Tier1 Filter Housing Sump O-Ring

    Fits Am101, E84, E85, E9395 and Gen IV Amway filter systems Learn More
    $8.99 Retail Price:  $12.64
  22. ASV-14QW Tier1 Automatic Shut-Off Valve

    ASV-14QW Tier1 Automatic Shut-Off Valve

    Fits standard 1/4-inch water lines Learn More
    $7.99 Retail Price:  $11.49
  23. ASV-ERP-JG Tier1 Automatic Shut-Off Valve

    ASV-ERP-JG Tier1 Automatic Shut-Off Valve

    Fits standard 1/4-inch water lines Learn More
    $17.99 Retail Price:  $22.99
  24. PMP-50GPD220V Tier1 Booster PumpPMP-50GPD220V Tier1 Booster PumpPMP-50GPD220V Tier1 Booster PumpPMP-50GPD220V Tier1 Booster Pump

    PMP-50GPD220V Tier1 Booster Pump

    Fits standard 1/4-inch water lines. Learn More
    $78.99 Retail Price:  $94.99
  25. TIER1-QD-1

    QD-1 Tier1 3/8-inch Quick Connect Fitting

    Fits most water lines requiring a 3/8-inch Quick Connect Fitting Learn More
    $5.99 Retail Price:  $8.34

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