Step 7: Mount the filter in the cabinet

water filter
Photo: Kolin Smith
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Select a spot on the back wall of the sink base cabinet to mount the filter; mark two screw holes, spaced to match the keyhole slots on the back of the filter.

Drive a screw into each hole; stop when the screw heads are about ½ inch from the cabinet's surface.

Align the keyhole slots with the two mounting screws.

Push the filter flat against the cabinet wall, then pull down to lock the keyhole slots onto the screw heads.
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    Tools List

    • drill
      Drill/driver with step-drill bit,
      to drill hole in sink top
    • propane torch
      Propane torch
    • emery cloth
      Emery cloth,
      for cleaning pipe prior to soldering
    • adjustable wrench
      Adjustable wrench
    • tongue-and-groove pliers
      Tongue-and-groove pliers
    • tubing cutter
      Close-quarters tubing cutter
    • basin wrench
      Basin wrench,
      to tighten hex nut that holds filter faucet to sink top
    • copper fitting brush
      Copper fitting brush (for cleaning copper tubing and fittings
    • 16-foot tape measure
      Tape measure
    • eye goggles
      Eye goggles
    • centering punch
      Center punch,
      to strike a starting point on stainless steel sink deck prior to drilling

    Shopping List

    1. WATER FILTER KIT

    2. LEAD-FREE SOLDER AND PIPE FLUX

    3. 1/2-INCH COPPER TEE

    4. SEVERAL FEET OF 1/2-INCH COPPER TUBING

    5. 1/2-INCH FEMALE ADAPTER

    6. 1/2-INCH TO 1/4-INCH REDUCER

    7. 1/2-INCH BALL VALVE

    8. TEFLON TAPE

    applied to reducer before threading onto female adapter



    9. TARP OR BLANKET

    to protect kitchen floor



    10. FIRE-RESISTANT CLOTH AND FIRE EXTINGUISHER