what do i need to install a dishwasher
Good step-past-step instructions for replacing or installing a dishwasher
For the boilerplate practise-it-yourselfer, installing a new dishwasher is an simple process that takes just a few hours and some basic tools. For information on purchasing a new dishwasher, see How to Buy the Best Dishwasher, a free, unbiased HomeTips ownership guide.
If you are replacing an existing dishwasher, there won't be any mystery about the best identify to put the new one. If you're installing a dishwasher where there wasn't ane before, the only consideration for placement is that the appliance's door be able to open fully without knocking into anything.
This video from This Sometime House does a not bad task of showing you how to install a new dishwasher where in that location wasn't one before.
If y'all are just replacing an existing dishwasher with a new ane, skip down the page a little further.
Before starting any work, turn off the power and place a 3-by-three-human foot slice of plywood on the floor to forestall scratching the flooring.
Dishwashers come up with complete instructions for installation; make certain you follow them precisely. The guidelines provided here volition give you an idea of the basic parameters of the job.
Plumbing & Electrical Hookups
You will need a GFCI-protected, 120-volt electric receptacle to plug the machine into. The almost convenient location is against the dorsum wall of the cabinet below the sink.
The dishwasher must connect to the hot h2o supply of the sink. The hookup is generally via a 3/8-diameter copper tube attached by compression to a dual-outlet shutoff valve nether the sink. More than almost this in the step-by-step information below.
The dishwasher'due south drain water will get out through a flexible hose that runs from the waste outlet of the dishwasher to a tee above the sink's drain trap or to the dishwasher inlet of the garbage disposal. To connect to the garbage disposal, yous must starting time knock out the plug inside the dishwasher nipple.
If y'all are connecting to the drain trap of the sink, simply remove the sink drain's tailpiece and exchange information technology for a dishwasher tailpiece. And so programme to connect the dishwasher'south bleed hose to information technology, as discussed below.
Dishwasher Air Gap—What It Does
Many local edifice codes crave a dishwasher to connect to an air gap before the connection to a garbage disposer so wastewater doesn't flow back into the appliance. If your local codes require an air gap, you'll need to buy it separately. Mount it on top of the sink. Connect i flexible hose to the bleed of the dishwasher, and connect the other flexible hose to the trap of the sink or to the disposer'south dishwasher inlet. If your local codes do not require an air gap, you lot can shape the bleed hose of the dishwasher into a loftier arc instead.
This video shows what an air gap looks like and where it goes, discusses whether or not you need one, and shows how to articulate the air gap if it gets clogged.
Step-by-Step Dishwasher Installation
If you are replacing an old dishwasher with a new one, you will need to take the old one out first. The good news is that the plumbing and electric hookups are already in that location, making the task much easier. This two-part video shows the process of replacing an former dishwasher. Part one covers taking out the erstwhile one. Information technology shows how to brand sure the power is off before yous beginning, and where to look for attachment screws. Function 2 shows you how to install the replacement.
Notation: Unplug the dishwasher or turn off the circuit billow to disconnect the power before you practise anything else. Adjacent, shut off the water supply valve, which is typically located under the sink. If you can't find a shutoff valve, you lot volition have to turn off the primary business firm h2o shutoff and then open a faucet to drain the pipes.
If necessary for running hoses and the power string through the base chiffonier, utilize a power drill to bore holes at the back lower corner.
HomeTips Pro Tip: If the dishwasher does non have a dedicated shutoff valve, this would exist a good time to install a special dual-outlet shutoff like the one shown in Step one.
1 Install a shutoff valve to serve hot h2o to the dishwasher. Outset by shutting off the house's water supply. Next, disconnect the sink'south hot-water supply tube from the existing under-sink hot-water valve. In most cases, you do this turning the nut (that locks the tube in identify) counterclockwise with a wrench.
Take a basin or bucket handy to take hold of the h2o that will be inside the tube. Then, remove the shutoff valve from the supply nipple with a wrench—again, plow it counterclockwise with a wrench if information technology's on a threaded nipple. Wind pipe-wrap record clockwise effectually the nipple'due south threads. Then screw a new dual-outlet shutoff valve onto it and tighten.
2 Install the dishwasher's air gap. This will require a properly sized unused hole in the sink pinnacle. Many sinks have a plug that you can punch-out with a hammer. If you need to drill a new hole, please refer to the information on this page. Remove the encompass and locking nut from the air gap and insert the air gap through the pigsty from below. Tighten the locking nut, using slip joint pliers if necessary, and push button the encompass back onto the device.
Note: Some local codes allow looping the dishwasher's bleed hose up under the counter and attaching it to the underside of the counter or the wall instead of installing an air gap. Delight meet the air-gap video before in this commodity for more near this.
iii Position the dishwasher near its opening, and and then push the hose, supply tube, and power cord through holes drilled in the back corner of the sink base chiffonier. Every bit you walk the dishwasher into identify, exist careful non to pinch or tangle the cord or hoses.
4 Reconnect the sink'due south supply tube to the dual-outlet valve, and connect the flexible supply tube to the valve'south second outlet and the dishwasher'southward inlet. And so tighten with an adjustable wrench until snug.
5 Slip one hose clamp over each terminate of the short drain hose that volition run from the garbage disposer (come across photo) or the sink drain's tail piece to the large outlet on the air gap. Sure-fire the clamps until tight. Then do the same with the longer drain hose, running it from the smaller outlet on the air gap to the drain fitting at the base of the dishwasher.
Afterwards installation, it is important to adapt the appliance's front anxiety to level and align information technology with the cabinets and countertop. Screw the unit to the underside of the counter. Turn the h2o supply back on and look for leaks.
Plug in the dishwasher. If installation requires any hard-wiring, refer to the HomeTips section on Habitation Electrical Wiring.
NEXT See: How to Troubleshoot and Repair a Dishwasher
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Source: https://www.hometips.com/diy-how-to/dishwasher-installing.html
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