Appliance Installation
New refrigerators, ranges and wall ovens set in, leveled, connected and tested, with the old one hauled away on request.
DetailsA dishwasher install is three connections and a lot of small details: the drain loop, the disposal knockout, the leveling and the brackets. Get one wrong and you find out with a puddle.
Updated October 2026

Dishwasher installation in Jacksonville means removing the old unit, checking the water valve, drain and power, then setting the new dishwasher level, securing it to the counter, connecting a new supply line and drain with a proper high loop, and running a full cycle with the toe kick off to check for leaks.
Every dishwasher drain hose needs a high loop or an air gap so dirty sink water cannot flow back into the tub. Every new disposal has a knockout plug in its dishwasher inlet that must be removed. And every dishwasher has to be level side to side and front to back, or water pools against the door and leaks. Those three details cause most of the problems we see after a self-install.
We also replace the supply line and often the shutoff valve under the sink, because an old valve that seizes or drips is the weak point of the whole install.
Cost
The national cost data below covers labor for replacing a dishwasher where the connections already exist. Installing where there was never a dishwasher costs more because of the new circuit, water and drain.
Planning range from published cost data (homeguide.com), not a quote and not our price. Your number depends on the diagnosis and the part.
DIY or call
| Task | Safe to try yourself | Call a technician |
|---|---|---|
| Like-for-like swap | Possible if you are handy and the valve works | If the valve is old or seized |
| New location | Not recommended | Always, new connections needed |
| Panel-ready | Not recommended | Spring and panel setup is fiddly |
The jobs this page covers
In a straight swap, the existing water, drain and power are in place. We shut off the water and power, disconnect and remove the old unit, inspect the shutoff valve and electrical connection, and fit the new dishwasher with a new braided supply line and the correct elbow. The drain is connected with a high loop or to the air gap, the unit is leveled and secured to the counter or side cabinets, and we run a full cycle with the toe kick off to watch every connection while the dishwasher fills and drains.

Adding a dishwasher to a kitchen that never had one means creating an opening, running a dedicated circuit, a water line and a drain connection. We handle the appliance side and coordinate with your electrician or plumber where new circuits or plumbing are needed, so the work is done correctly and to code. We confirm the opening width, the cabinet removal and the countertop overhang before anything is cut, then install, level and test the dishwasher once the connections are in place.
Panel-ready dishwashers take a cabinet door on their front, and the panel's weight changes how the door behaves. We mount the panel with the manufacturer's template, adjust the door springs so it neither falls open nor slams shut, and align the panel with the neighboring drawers and doors. Panel-ready units are usually installed flush, so the mounting brackets, the toe kick and the side clearances matter more than on a standard dishwasher, and we check each one before the final cycle.
What is included
San Marco began building in 1925, and many of its homes now have remodeled kitchens with panel-ready dishwashers set between new cabinets and old walls. The openings there are often built to the exact size of the appliance, so a careful slide-in and the right side brackets matter. We protect the cabinet faces and the counter edge while we work.
Step by step
Water and power off, old unit out.
Valve, drain and electrical checked.
Supply line, high loop drain, power, level, brackets.
Full cycle with the toe kick off.
FAQ
It keeps dirty sink water from siphoning back into the dishwasher.
Often the disposal knockout plug was never removed, or the drain hose is kinked.
Yes, with a new circuit, water line and drain. We coordinate those connections and install the dishwasher.
A straight swap usually takes one to two hours including the test cycle.
Yes, including mounting the panel and setting the door springs.
Also on the list
New refrigerators, ranges and wall ovens set in, leveled, connected and tested, with the old one hauled away on request.
DetailsNew washers and dryers connected, vented, leveled and tested, including stacking kits and dryer cords.
DetailsGas ranges, cooktops and dryers connected with new flexible connectors and leak-tested at every joint.
DetailsOver-the-range microwaves mounted on the wall plate, vented out or recirculating, and fitted to the cabinet above.
DetailsCall with the model number and tell us whether it is a swap or a new location.
Duval Appliance serves Jacksonville and the First Coast from 6504 Leona Street in northwest Jacksonville.