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Ground water that has excessive minerals in it is called hard water. Hard water doesn't dissolve soap and detergent very well and leaves behind scales, which stain toilets and sinks. Installing a water softener will reduce the amount of minerals, and provide your house with soft water. Installing a water softener is a straightforward DIY project you can accomplish without a professional; read on below to learn how!

  1. [1]
    • Read all the directions that came with your water softener before you began the installation.
  2. [2]
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  3. Most water softeners have 2 tanks, and you need to set them next to each other.
  4. Cut a piece of copper tubing that length, and solder fittings on the ends. Water conditioner installation includes some soldering work. [3]
  5. With water softener installation, you must provide drainage. [4]
  6. Adjust the screws on the stainless steel clamps with a screwdriver to seat the valve. When you install a water softener, be sure to have all your tools ready.
  7. Use a wrench to tighten the supply tube nuts. When you put in a water softener, don't wrench the nuts too tight.
    • Scrub the fittings and the pipes with steel wool. When installing a water conditioner, you'll need to solder the fitting to the pipes.
    • Solder the fittings together by applying flux and melting it with a propane torch.
  8. Water softener installation includes setting up the brine tank, and you'll need to add 40 lbs. (18.144 kg) of potassium chloride salt or sodium chloride to the unit. [5]
  9. To put in a water softener, open the water supply valve to the 1/4 position to let oxygen run from the drain line.
  10. If any water is escaping, check your soldering and the nuts. Re-solder or tighten nuts to repair any leaks.
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Community Q&A

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  • Question
    How can I drain softener without going through the septic tank?
    Community Answer
    Your septic tank takes all the drain water. Why do you not want it going to the septic tank?
  • Question
    Does the water softener need to be close to the water heater?
    Community Answer
    No, but usually they are close anyways since the appliances are normally in a closet where all these things are installed. Otherwise, it would not change operation to have it elsewhere.
  • Question
    What if I don't have a drain? Are there any other options?
    WECO Sales Team
    Community Answer
    Collected calcium, iron and magnesium ions (hardness ions) in the bed need to be flushed out. This is done by sending water at a high flow rate though the bed in reverse direction of normal water flow. So to answer your question, all water softeners must have a drain that backwashes the softener bed periodically. If you just need particulate contaminants removed from water, you can go with a big blue cartridge filter instead of a softener and avoid the need for a drain.
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      Things You'll Need

      • Water Softener
      • Measuring tape
      • Soldering iron
      • Fittings
      • Copper tubing
      • Screwdriver
      • Wrench
      • Steel wool
      • Flux
      • Propane torch
      • Potassium chloride salt or sodium chloride

      Expert Interview

      Thanks for reading our article! If you’d like to learn more about installing water filters, check out our in-depth interview with David Balkan .

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