This Old House plumbing and heating expert Richard Trethewey visits New Jersey to install a water softener. (See below for a shopping list, tools, and steps.)
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Shopping List for Installing a Whole-House Water Softener:
– Water softener
– Copper pipe and valves
– 3/8-inch-diameter plastic tubing
– Compress fittings
– Hose clamps
– Air-gap fitting
Tools List for Installing a Whole-House Water Softener:
– Tubing cutter
– Soldering iron
Steps for Installing a Whole-House Water Softener:
1. Turn off the water at the meter.
2. Use a tubing cutter to tap into the existing cold-water pipe.
3. Connect the water softener’s resin tank to the cold-water pipe by soldering on an assembly of copper pipe and three valves.
4. Run a length of 3/8-inch-diameter plastic tubing from the resin tank to the salt tank; connect each end of the tubing with compress fittings.
5. Use a hose clamp to attach the drain line to the drain elbow on the resin tank.
6. Install an air-gap fitting to the drain that leads to the sewer pipe.
7. Attach the water softener’s discharge hose to the air-gap fitting with a hose clamp.
8. Hook the discharge hose from the washing machine onto the air-gap fitting.
9. Fill the salt tank with salt.
10. Turn the water back on.
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How to Install a Whole-House Water Softener | Ask This Old House