Do-it-Yourself Water Booster Systems


When the water pressure in a home is low, the water has no force and flows listlessly and slowly. Showering is no fun and the sprinklers in your garden and lawn don't work well. A water booster system has a tank with two sides, one for the water and one that contains pressurized air that pushes the water out with more force, boosting the water pressure. It attaches to your main water line and adds pressure to your water to make working with water in your home more pleasant. You can install a water booster system by yourself with a little work and preparation.

Things You'll Need

  • Pressure booster system
  • Check valve
  • Pressure relief valve
  • Copper pipe and pipe adapters
  • Electrical tape
  • Wire nut
  • Pipe cutter
  • Solder kit
  • Water pressure gauge
  • Tire gauge


  • Find an outside spigot, screw a water pressure gauge onto it and open the spigot. If the water pressure on the gauge reads at less than 30 PSI, you have low water pressure and will benefit greatly from a water booster system.

  • Choose the right place to put your booster system. The system should not be in freezing temperatures and needs to be close to an electrical outlet. It also has to be close to the main water line that furnishes the water for your home.

  • Buy a booster system, making sure the model number corresponds to the number of water fixtures in your home.

  • Make sure the tank of your new booster system is pressurized. If it is not, refer to the installation instructions to pressurize it.

  • Take off the stem on top of the tank and insert a tire gauge to check for the correct pressure.

  • Find the faucet in your home that is located on the highest point in the house and open it to let the water run freely.

  • Find the main water valve in your home and turn it off. Go outside and turn on an outside faucet.

Installing the Water Booster System

  • Cut off the old water valve on the water line with the pipe cutter.

  • Solder new piping on each side of the place where the valve used to be. Refer to the installation guide of your system and solder any of the loose parts that need to be soldered to the unit.

  • Screw on or otherwise attach the adapter to the discharge pipe on the unit, as specified in the installation instructions.

  • Solder the necessary adapters to the valves and install them, referring to the installation guide. Connect the discharge line to the house feed.

  • Connect the intake line to the check valve and install the pressure relief valve as shown in the directions.

  • Thread the pressure gauge into the fitting, as shown in the directions.

  • Turn off the ball valves and, making sure the outside spigot is still in the on position, turn the water main back on. Check the system for any leaks.

  • Open the bypass valve and turn on the highest faucet inside the house, to purge the air from the water lines. Then, close the bypass and open the normal service valve.

Connecting the Electricity

  • Thread the electrical wires under the access cover on the system into the pressure switch.

  • Connect the two black wires with a wire nut and electrical tape. Tighten the ground wire under the green ground screw.

  • Connect the white wire to the correct place on the pressure switch, referring to the installation guide as you work.

  • Make sure your wiring is correct, plug in your booster system and turn on the switch. Let the system run through a cycle and you should notice that you have more pressurized water.

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