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Having a washing machine installed in your home or building can be one of the greatest joys; however, the washing machine is only as good as its plumbing and installation. This means if it is installed or plumbed improperly, it can hinder your enjoyment.

To plumb-in a washing machine and install it can be done on your own in just 8 steps. These are explained in the following instructions on how to plumb-in a washing machine.

Step 1: Turn off the Main Water Supply

Before you begin your plumb work, you need to shut off water to the main water supply valve. It is typically located in your laundry room or basement, in order to ensure dry work conditions.

Step 2: Build a Wall

If the space in your laundry or basement area does not include a wood structure to attach the water lines to, then you will need to build one. This can be done simply by creating a box with a plate at the bottom and two studs at each side, and then secure it with some screws.

Step 3: Mount the Hot and Cold Water Pipes

First, tie-in the cold water line to the main water line.

Next, if using copper pipes, screw the bell hangers into position, which are bell shaped screws with a clip that holds the pipe in place; otherwise, use clamps for PEX piping, and then run one line for the hot water and another line for the cold water, so they run across the beams and downwards towards the washing machine valve that will be installed.

Step 4: Install the Washing Machine Valve

If you are using copper pipes, then cut the end of the pipes, and then clean the exterior of the pipes and inside the fittings with a cleaning brush.

Apply flux, and then solder the fittings to the ends of the pipes. Be careful not to use too much solder because it can damage the fitting below it. Screw the fittings to the wall.

Once the fittings have cooled, apply the washers.

Attach the washing machine valve by screwing it to the pipe fittings.

For PEX pipes, simply attach valve fittings to the ends of the pipes using a crimping tool. Screw the fittings to the wall before attaching the washing machine valve to the fittings.

Step 5: Attach the Hot Water Line

Cut a tee in the hot water line connected to the hot water heater, which supplies the entire house.

Using the washing machine’s tee as a guide, position the tee against the section of pipe that you wish to remove. Then mark both the top and the bottom of the pipe with a pencil, indicating where you want to cut.

Clean the section of the pipe to be removed with an abrasive. Using a hacksaw or a hose cutter, remove the marked section of the pipe. Be sure to position a pan or bowl underneath the pipe to catch any water that may have remained in the pipe.

Remove the section of the pipe, and then apply flux to each end of the cut pipe. You should also apply flux to the fittings. Position the tee over the ends of the pipes. Align the tee to the desired position, and then solder the pipes together.

If the fitting is a tight fit, simply maneuver the tee into place to complete the assembly.

Step 6: Connect the Washing Machine Hoses to the Valve

Attach the water hoses to the back of the washing machine using an adjustable wrench. Afterward, attach the hoses to the washing machine valve.

Stainless steel braided washing machine hoses make a superior choice to rubber hoses because they are heavy duty, burst proof, and long-lasting to eliminate leaks and flooding.

Step 7: Turn the Water Back On

Turn the main water valve to the house back on. Next, open the cold water valve to the washing machine valve. Afterward, turn the hot water valve on to the washing machine valve. Lastly, open up the washing machine valves, and the washing machine is ready to go.

Step 8: Install the Drain Hose

There are three types of drain systems: the laundry tub drain system, the floor drain system, and the standpipe drain system. They can be installed on either the floor or wall.

When installing the drain hose, in order for the washer to drain properly, be sure the top of the laundry tub, drain pipe, or standpipe is at least 39 inches from the floor but no higher than 96 inches. If you are using a floor drain where a siphon break kit is required, be sure the siphon break is at least 28 inches from the floor in order to allow proper drainage.

Improper water flow during the fill or drain process can cause various drainage issues. For instance, if the drain hose is positioned too low, it can create a suction effect. This will cause water to continuously flow out of the machine due to gravity. On the other hand, if the hose is positioned too high, it can prevent water from draining properly. Consequently, water may flow back into the machine.

Be sure drain hose is fastened securely, but loosely with a beaded tie strap to avoid kinking. Avoid using tape to secure the standpipe because it can restrict airflow, which is needed for proper draining.

Also, be sure the drain hose extends no more than 8 inches into the standpipe, drain pipe, or laundry tub, which can also cause issues.

Bottom Line

In conclusion, how to plumb-in a washing machine is fairly simple; it can be done in as little as one day. Furthermore, how to plumb-in a washing machine only requires basic plumbing tools to get started. If you have had success with how to plumb-in a washing machine using the 8 steps provided, or if you have additional tips on how to plumb-in a washing machine, please do share your experience.

Image Source: DepositPhotos

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