24/7 emergency line for Melrose, Malden, Wakefield, Saugus and Stoneham
(339) 216-9771
Gloved hand turning a hex key in the base of a garbage disposal under a sink
Home / Services / Garbage Disposal Repair and Installation
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Emergency Garbage Disposal Repair in Melrose, MA

A disposal that leaks under the sink or leaves the basin full of dirty water needs attention fast, so our line is open 24/7. Garbage disposal repair means freeing a jammed grinder, fixing a leak at the housing or drain connections, or swapping the unit for a new one.

Switch the disposal off at the wall and at the breaker before anything else. Never put your hand inside, even when it is off. If water is leaking, close the valves under the sink.

  • Jams, leaks and hums
  • Install your own unit
  • 24/7 line
24/7 emergency line
(339) 216-9771
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Disposal jammed, leaking or humming: first steps

Cut power at the wall switch and the breaker. A disposal can restart with a jolt when a jam releases, and the blades do not care that you only wanted to check.

Use tongs or pliers to pull out anything visible, never fingers. If the unit hums but does not spin, it is jammed. If water drips from the bottom or the side, the housing or a seal has failed, and a repair rarely beats a replacement at that point.

Close the valves under the sink if it is leaking, and put a bowl under the drip until we arrive.

How we sort out a disposal problem

  1. 1

    Power off, then look

    We confirm the breaker is off and check the unit, the dishwasher hose and the drain connections for the real source of the leak.

  2. 2

    Free the jam

    A hex wrench in the socket at the bottom of the unit turns the plate by hand. Pressing the red reset button resets an overheated motor.

  3. 3

    Test the drain

    If the basin still holds water after the unit spins, the clog is in the pipe, not the grinder. We clear it with a drain cleaning tool.

  4. 4

    Repair or replace

    We tell you which parts are failing and quote both options before any work begins.

What each symptom usually means

Hums but does not spin

A spoon, bone or fruit pit is wedged against the plate, or the motor is seized. Freeing it with a hex wrench usually works. A motor that stays dead after a reset needs replacement.

Leaks from the bottom

Water at the base means a cracked housing or a failed internal seal. This is the most common reason we replace a unit instead of repairing it.

Leaks at the top or sides

The sink flange, drain gasket or discharge connection has loosened. Often a new gasket and tightened fittings stop it.

Sink fills and will not drain

The clog may sit past the unit in the trap or the branch line. If both sides of a double sink fill, the line behind the wall is blocked.

Dishwasher line popped loose

The hose clamp on the disposal inlet can slip. On new units, the dishwasher knockout plug must be punched out or the dishwasher will not drain.

Kitchen sink full and leaking?

Call the 24/7 line. Tell us if the unit hums, leaks or stays silent when you press the switch.

Call (339) 216-9771

Repair or replace a disposal

Repair when

  • The unit is jammed but the motor spins freely once cleared.
  • The leak is at the sink flange, a gasket or the drain connection.
  • The dishwasher hose simply needs reattaching.
  • The unit is fairly new and sized right for the household.

Replace when

  • Water leaks from the housing or the bottom of the unit.
  • The motor hums and the reset button does nothing.
  • The grinder is rusted, loose or throws out black residue.
  • Your household grinds more than the old unit can handle.

Residential disposals commonly run from 1/3 to 1 horsepower. A larger motor grinds tougher scraps and tends to jam less, but it needs more room under the sink.

What goes in, and what stays out

Safe in small amountsKeep out of the disposal
Soft food scraps, cooked vegetablesGrease, fat and oil poured down the drain
Small pieces of citrus peelBones, fruit pits and corn husks
Cold water running during useCoffee grounds in large amounts
Ice cubes now and thenPasta, rice and potato peels that swell and paste

Run cold water for 15 seconds after grinding so the waste clears the trap.

What changes the price of a disposal job

Repair or new unitClearing a jam or tightening a gasket costs little. A new unit adds the disposal itself, with price tied to horsepower and sound insulation.
Your own unitIf you already bought one, we install it. We also confirm it fits your sink and has the right mounting.
Electrical setupA disposal needs a switched outlet or hardwired connection. Adding one changes the scope.
Drain and trap conditionOld, corroded tailpieces and traps are replaced while the sink is open.
HoursA night or weekend dispatch is priced differently than a scheduled visit.
Insurance note. A sudden leak that damages cabinets or flooring may be covered by your homeowner or renter policy, while a worn-out disposal itself usually is not. Want your real number? Call (339) 216-9771 and we quote the job before work starts.

Questions we hear

Yes. The dispatch line runs 24/7, and a leaking disposal or a sink that will not drain is treated as urgent. We cannot promise an arrival time, but we help you stop the leak and send a plumber as soon as one is free.

If the sink fills while the disposal runs and does nothing, or if both sides of a double basin back up, the pipe is likely blocked. If the unit hums, leaks or is silent, the unit is the cause.

Yes. We check that it fits your sink flange and electrical setup, mount it, connect the drain and dishwasher line, and test it under running water.

Something is wedged against the grinder plate or the motor has overheated or seized. After the power is off, a hex wrench in the bottom socket can rotate the plate, and the red reset button restores an overheated motor.

It varies with use and what goes down it. A unit that starts leaking from the housing is finished, no matter its age.

Wiring needs vary by home. A licensed electrician can confirm what your kitchen circuit needs.

Clear sink, quiet kitchen

A working disposal means a clear sink and a dry cabinet. If you are remodeling the whole kitchen, our plumbing installation crew can rough in the sink, dishwasher and disposal together. We cover Saugus and Melrose.

Call (339) 216-9771
Coverage area

Where Melrose Express Plumbing dispatches from

Our home base is 3-5 E Foster St, Melrose, and the 24/7 line also covers Malden, Saugus, Stoneham, Wakefield. The map shows the full service area.

Call (339) 216-977124/7 emergency line