Kenmore dishwasher installation involves a handful of steps that are easy to skip but that cause most of the drain and leak complaints we see afterward. Whether your new dishwasher was built by Whirlpool, Frigidaire, or another OEM under the Kenmore name, the installation basics below apply across the lineup.
Water supply hookup
- Connect the water supply line to the inlet valve at the front-lower corner of the dishwasher, hand-tightening then giving a quarter turn with a wrench
- Check the connection for drips after turning the water supply back on and running the first fill
- Use a new supply line rather than reusing an old, potentially brittle one
Drain hose connection and the knockout plug
If the dishwasher drains into a garbage disposal, the disposal has a knockout plug inside its dishwasher inlet port that must be removed before connecting the hose – if this plug is left in place, water backs up and the dishwasher will not drain at all. Use a screwdriver and hammer to knock out the plug from inside the disposal opening, and shake out the disconnected piece before attaching the drain hose. This single step is one of the most common causes of a brand-new dishwasher that will not drain – see our guide on dishwasher not draining for related troubleshooting.
The air gap
Many local plumbing codes require an air gap fitting, mounted at or above the sink countertop, between the dishwasher drain hose and the disposal or sink drain connection. The air gap prevents dirty sink water from siphoning back into the dishwasher. Where an air gap is not required by code, a high loop in the drain hose secured under the counter serves a similar purpose, keeping the hose above the level of the drain connection.
Leveling the dishwasher
- Place a bubble level on the open door or inside the tub, checking both directions
- Adjust the front leveling feet, and the rear feet if your model has them, until the unit sits level and does not rock
- Confirm the door closes and latches evenly across its full width once leveled
When to call a professional
If your installation involves connecting to a garbage disposal for the first time, adding an air gap, or you are not confident with the water line connection, our dishwasher repair technicians handle installations as well as repairs. This is also worth reviewing alongside the kenmore dishwasher f8e1 code, since a missed knockout plug is a preventable cause of exactly that kind of drain complaint.
Cabinet fit and electrical considerations
Beyond plumbing, a proper kenmore dishwasher installation also means confirming the unit fits the cabinet opening with enough clearance for the door to open fully, that the power cord or hardwired junction box is positioned within reach without straining the connection, and that the mounting brackets are screwed into the underside of the countertop so the dishwasher cannot shift forward over time. Skipping the mounting brackets is a common shortcut that later shows up as a dishwasher that rattles, drifts forward, or develops stress cracks in the water line connection.
Quick summary
Water hookup, the disposal knockout plug, the air gap or high loop, leveling, and mounting brackets are the five steps that prevent nearly every early-life dishwasher complaint, and none of them take more than a few extra minutes during a first installation, which makes them well worth doing properly rather than rushing through on move-in day, especially since correcting a rushed installation later usually takes longer than doing it right from the start.
Our experienced, independent technicians can install your Kenmore dishwasher correctly the first time, using genuine OEM parts where needed and backing labor with a 30-day warranty. Schedule installation help at /schedule/. For general Kenmore product specs, see kenmore.com.
