Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Water Filtration Parts & Accessories From Tier1

Save on Tier1 Parts and Accessories at Discountfilterstore.com

14 Item(s)

Grid  List 

Set Ascending Direction
  1. TPG-100 Tier1 Reverse Osmosis Tank Pressure Gauge
  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. PGB25100L Tier1 Pressure Gauge

    PGB25100L Tier1 Pressure Gauge

    $15.99 Retail Price:  $20.69
  4. 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
  5. ECC-10BB Tier1 Empty Water Filter Cartridges

    ECC-10BB Tier1 Empty Water Filter Cartridges

    Fits into filtration systems that use 4.5x9.75 inch filter cartridges Learn More
    $14.99 Retail Price:  $19.54
  6. 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
  7. FMS-1 Tier1 Water Flow Switch Relay Control

    FMS-1 Tier1 Water Flow Switch Relay Control

    Features 1/4 inch Quick Connect fittings Learn More
    $12.99 Retail Price:  $17.24
  8. 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
  9. ECW-20BB Tier1 Empty Water Filter Cartridges

    ECW-20BB Tier1 Empty Water Filter Cartridges

    Fits into filtration systems that use 4.5x20 inch filter cartridges Learn More
    $18.99 Retail Price:  $24.14
  10. OR-LUBRICANT-LG Tier1 Food-Grade Silicone O-Ring Lubricant
  11. 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
  12. 6570090 Tier1 Plastic Tank Ball Valve

    6570090 Tier1 Plastic Tank Ball Valve

    Fits 1/4-inch connections on water line and top of reverse osmosis tank Learn More
    $10.99
  13. LF-BLRAG Tier1 Long-Reach Air-Gap Faucet - Chrome

    LF-BLRAG Tier1 Long-Reach Air-Gap Faucet - Chrome

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
    $18.99 Retail Price:  $34.72
  14. LF-BLR Tier1 Long-Reach Faucet - Chrome

    LF-BLR Tier1 Long-Reach Faucet - Chrome

    Fits many different brands of reverse osmosis systems, including Pentek and Culligan Learn More
    $17.99 Retail Price:  $26.32

14 Item(s)

Grid  List 

Set Ascending Direction
Scroll To Top