A water heater that is leaking onto the floor or has gone cold in the middle of the week cannot wait for a convenient time. Our 24/7 emergency dispatch sends licensed plumbers to homes across Morristown, and many calls are handled the same day when appointments are available. While you wait, turn the heater off at the gas knob or the breaker. Then close the cold water valve above the tank and keep children and pets away from standing water.
Most water heater repair in Morristown starts with a simple question. Is the water coming from a fitting, a valve or the tank shell? That answer decides whether a repair makes sense, so we check it before anything is taken apart.
Water heater leaking right now
A steady drip changes what you do in the first ten minutes. Use these steps before the plumber gets there.
- Shut off the gas control knob or the electric breaker so the heater stops firing.
- Close the cold water supply valve above the tank to stop it refilling.
- Move stored items and electronics off the floor around the heater.
- Check whether the drip is at a pipe joint, the relief valve or the bottom of the tank.
Where the water is coming from decides the repair
Water at a pipe connection on top of the tank is often a loose union or a worn supply line. Those are quick fixes. Water from the temperature and pressure relief valve points to excess pressure or a valve that has gone bad, and the cause has to be found before a new valve is fitted.
Water pooling under the tank is different. When the steel shell has rusted through from the inside, no patch will hold, and we will tell you so plainly. A tank in that state needs the replacement route described on our tank replacement page.
If the tank itself is leaking, a new unit is usually the sound move.
No hot water from a gas, electric or hybrid tank
Each type fails in its own way. A gas heater that will not stay lit usually has a dirty burner, a weak thermocouple or a failed gas control valve. An electric heater with lukewarm water often has a burned-out heating element or a tripped high-limit switch.
Hybrid heat pump units add a compressor, a fan and a condensate drain to the list of parts that can fail. They also have a resistance element that keeps the tank hot in backup mode, so a unit that seems fine but runs slowly can be hiding a heat pump fault. Our licensed plumbers carry common parts and test the full system, not just the part that looks guilty.
Repairs we make most often
Thermostats, upper and lower elements, thermocouples, pilot assemblies, relief valves, drain valves and dip tubes make up most of the parts we replace. A worn anode rod is another frequent finding, because that rod sacrifices itself to protect the tank steel and stops working once it is eaten away.
Replacing a spent anode early can add useful life to a tank that is otherwise sound. We will show you the old part so the diagnosis is not a matter of trust alone.
Sediment, hard water and what to do about it
Hardness in the Southeast Morris County Municipal Utilities Authority system ranged from 29 to 400 mg/L in 2024, because the utility blends reservoir water with several groundwater sources. Mineral build-up inside a tank can therefore differ from street to street, so test your tap. If your water runs hard, a tank that rumbles when it heats needs a flush before sediment bakes onto the bottom.
When repair is the wrong call
A heater with a failed thermostat is worth fixing. A heater that is leaking from the shell, rusting at the base or repeatedly tripping its safety devices is a different story, and paying for parts on a worn-out tank rarely pays back.
We will lay out both options with a clear price before work starts. If the unit is sound and the part is cheap, we repair it. If a new heater is the better value, you will hear that too, and you can read how installs are handled on the planned installation page.
After-hours and same-day water heater calls in Morristown
Heaters tend to fail on the coldest mornings, and many Morristown homes keep the tank in a basement where a slow leak can run for hours before anyone notices. Dispatch is open around the clock, including weekends, and same-day appointments are offered when available.
The office is at 22 South Street, close to The Green, and our crews also serve the surrounding township. If you live just outside town, we also cover the ring of homes in Morris Township. A small leak on a basement tank can also soak the floor drain area, so let us know if the drain is backing up and we can look at drain cleaning on the same visit.
What affects the price
Repair cost depends on the part, the fuel type and how easy the heater is to reach. We state the price before work starts so there are no surprises after the parts are on the floor.
A sudden tank failure that floods a room may be covered differently than a slow leak, so ask your insurer before you start cleanup and take photos first. Want your real number? Call (908) 357-1542 and the price is clear before work starts.
Frequently asked questions
Yes. Dispatch runs 24/7, and licensed plumbers go out at night and on weekends. Call (908) 357-1542 and tell us whether the tank is actively leaking.
Yes. Turn off the gas knob or the electric breaker, then close the cold water valve above the tank. That limits the damage until a plumber arrives.
Loose fittings and bad valves can be fixed. A tank that leaks through the steel shell cannot be patched and needs a replacement heater.
A broken dip tube, a failed lower element or heavy sediment can all cut the usable hot water. A technician can tell which by testing the unit.
Test your tap or check your supplier water quality report. SMCMUA reported a wide hardness range in 2024, so results vary by address.
Yes, and the work differs from tank repair. See our page on tankless water heater service for details.