Hookup
- New unit into an existing space
- First-time install in a kitchen
- Supply from the sink stop
- Level, clip, and test fill
Dishwasher hookup and leak repair in Worcester
A new dishwasher in the box, a puddle under the old one, or a drain that dumps into the sink. Roto-Rooter hooks up supply, drain, and the air gap or high loop. You pick the appliance. Call or text (508) 335-3306.
Dishwasher plumbing we service
We do the water and drain. A dead motor or control board is an appliance repair, not this page.
Drain
- Hose to disposal or tailpiece
- High loop or air gap
- Backup into the sink
- Clogged hose or knockout still in
Leaks
- Door gasket vs. supply nut
- Float switch overflow
- Wet kickplate after a cycle
- Split drain hose
Supply valve
- Saddle valve that will not hold
- Replacement with a real stop
- Seized under-sink valve
- Hammer when the solenoid closes
Water in, drain out, no puddle on the floor
A dishwasher hookup is a supply line, a drain hose with a high loop or air gap, and a connection that does not rely on a saddle valve punched into a copper pipe. Those saddle valves fail. We replace them with a proper stop when we are already there.
You buy the dishwasher. We slide it, plumb it, and run a test cycle if power is already at the box. New circuits and hardwired appliances are outside this plumbing hookup. If the disposal knockout was never removed, the sink fills when the dishwasher drains — a common Worcester “the plumber who installed it never punched the plug” call.
Labor and materials
Dishwasher plumbing is quoted on site. Hoses, stops, and air gaps are materials. A first-time rough-in (no drain or supply in the cabinet) is more labor than a swap in a space that already had a unit.
Call or text (508) 335-3306 with whether this is a swap or a first install, and whether a disposal is present.
Avoid the next puddle
- Replace rubber supply lines that are stained. Do not wait for the cabinet floor to swell.
- Keep the high loop high. A hose that sags into the cabinet is a siphon waiting to happen.
- If the sink fills when the dishwasher runs, check the disposal knockout and the trap, not just the appliance.
- Run the unit through a short cycle after we leave so you see a leak while someone can still come back.
Frequently asked questions
Do you install the electrical too?
If a cord and switched outlet already exist, we plug it in as part of the hookup. A new circuit or hardwire is outside this plumbing hookup and quoted separately.
The dishwasher will not drain. Is that you or an appliance tech?
We check the hose, knockout, trap, and air gap. If the pump is dead, that is the appliance, not the plumbing. We will tell you which it is.
Can you hook up a unit I bought at a big-box store?
Yes. Have it in the kitchen, still strapped to the pallet if delivery left it that way. We bring supply and drain parts if you did not.
There is water under the dishwasher after every wash.
Could be the door gasket, the supply, or the drain. We pull the kickplate and isolate it instead of replacing parts at random.
Hook up the dishwasher
Roto-Rooter · HIC#208076 · 61 Sandra Dr, Worcester, MA 01604.