Garbage Disposal in Washington, DC

Sort out the symptom

• Humming, no spinning: something is wedged between the plate and the grind ring. With the power off, the hex socket under the unit can often free it.
• No sound at all: press the red reset button on the bottom, then check the switch, outlet and breaker.
• Leak at the top: the sink flange seal has loosened or the plumber's putty has dried out.
• Leak at the side: the dishwasher hose or the drain elbow connection.
• Leak from the bottom of the housing: internal seals have failed, which usually means replacement.
• Sink drains slowly after grinding: food waste is packing the trap or the kitchen branch line.

Kitchen drains in older District homes

With a median year built of 1957, a lot of District kitchens drain into galvanized steel or cast iron pipe that has narrowed inside over decades. A disposal sends more solids down that line, and older pipe catches them. Grease is the bigger problem: it cools and hardens in the pipe and binds with ground food. Scrape fats and oils into the trash, run cold water while grinding and for a bit afterward, and keep fibrous peels, coffee grounds and eggshells to a minimum.

Repeated clogs mean a bigger look

If the kitchen sink backs up again and again, snaking the trap only buys time. Kitchen lines in rowhouses can run a long way through walls and under floors before they reach the main stack. A plumber can clear the full branch and, where needed, run a camera to see whether corrosion or a sag is catching debris. Homes served by DC Water's sewer system send that wastewater to the Blue Plains treatment plant, and grease that makes it past your pipes still causes trouble downstream.

Repair or new unit

Jams, reset trips and loose fittings are simple repairs. A cracked or rusted housing, a seized motor or a unit that keeps tripping is normally replaced. A swap goes faster when the new unit uses the same mounting ring. Cost depends on horsepower, features such as sound insulation, whether the dishwasher connection or wiring needs work, and any drain repair found along the way.