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Water Heater Repair in North Plainfield, NJ

Tell us what your water heater is doing, and a licensed contractor who covers Somerset County will get in touch.

Tell us about the job

It takes about a minute.

Step 1 of 3: Equipment
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Cold groundwater and winter power outages both take a toll here

Water heaters in North Plainfield work harder from October through May, when incoming water runs cold and the tank has to make up more ground to hit temperature. With winter nights averaging 24°F, that is eight months of the year the unit is heating from a colder starting point than it would in summer.

Somerset County has also seen 21 winter storms and 153 damaging wind events over the past ten years, and 11% of New Jersey households lost power for at least 24 hours in 2024. Gas water heaters with a standing pilot keep running through an outage, but units that rely on electric ignition or a powered thermostat go cold until power is back. When that happens after a storm, the first sign is usually water that will not get hot no matter how long you run it.

24°F
the average winter night, and colder incoming water means longer heating
8 months
October through May, the months homes here need heat
11%
of New Jersey households lost power for a day or more in 2024, and a heater with an electric element or electric ignition stops without it
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Your water heater works hardest from November through March.

NOAA nClimDiv, 1991–2020 normals

Hot water flows from a stainless steel kitchen faucet, generating steam above a dark sink.

A new water heater would cut about $90 a year off hot water for a typical New Jersey home.

  • A new high-efficiency gas water heater$210 a year
  • A heat pump water heater$230 a year
  • An older gas water heater$300 a year

Estimates for a typical New Jersey home, compared with an older unit built to the federal minimum, from EIA household energy data and New Jersey fuel prices. Your home will differ.

Repair makes sense when an element, thermostat or gas valve has failed.

Replacement makes sense when the tank itself is leaking.

Why is my water heater leaking from the bottom?
The most common cause is the tank itself failing from the inside, where sediment builds up over the years and corrodes the steel until it gives way. Once a tank is leaking like this, it needs to be replaced, not patched, because the damage is inside the metal where you can't reach it. Water at the bottom can also come from a loose drain valve or a fitting where a pipe connects to the tank, and those can sometimes be repaired. A contractor can tell the difference by checking whether the leak is from the tank body or from a connection point.
Why won't the pilot light on my water heater stay lit?
Usually the thermocouple has worn out and can no longer sense that the pilot is burning, so it shuts the gas off as a safety measure. It can also happen if the pilot tube is dirty or if there's a draft near the pilot assembly blowing the small flame out. A thermocouple is a cheap, quick part to replace and is the first thing a contractor will check. If replacing it doesn't fix the problem, the gas control valve itself may need attention.
Can a tankless water heater be repaired?
Yes, most problems with a tankless water heater are repairable. Common issues include a clogged inlet filter, mineral buildup on the heat exchanger from hard water, a failed igniter, or an error code pointing to a specific sensor. Because these units run on electronic controls, a contractor needs to read the error code or test the components to know exactly what's failed before ordering parts.