Water Heater Repair in Chester, PA
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Cold groundwater and winter outages both push on your water heater
From October through April your water heater works harder just to keep up, pulling in groundwater that's colder for those seven months than the rest of the year. That extra work falls on the heating element or burner, and on the thermostat that tells it when to fire.
Delaware County sees real winter weather, 18 winter storms and 166 damaging wind events over the last ten years. Storms like that knock out power, and in Pennsylvania 15% of households lost power for at least 24 hours in 2024 alone. An electric water heater won't run at all until power is back. A gas unit with a standing pilot will keep working through the outage, but one with an electronic ignition needs power to relight, and if it doesn't come back on by itself once the power does, that's a sign something needs a look.
- 27°F
- the average winter night, and colder incoming water means longer heating
- 7 months
- October through April, the months homes here need heat
- 15%
- of Pennsylvania households lost power for a day or more in 2024, and a heater with an electric element or electric ignition stops without it
NOAA nClimDiv, 1991–2020 normals
A new water heater would cut about $70 a year off hot water for a typical Pennsylvania home.
Estimates for a typical Pennsylvania home, compared with an older unit built to the federal minimum, from EIA household energy data and Pennsylvania 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 tank itself has likely rusted through and is starting to fail. Water heaters corrode from the inside over years, and once the steel tank is compromised, no repair fixes it. It could also be a loose drain valve or a fitting at the bottom, which a contractor can tell apart from a tank failure by drying everything off and watching where the water shows up again. If it turns out to be the tank, replacement is the only real option.
- Why won't the pilot light on my water heater stay lit?
- The most common cause is a worn thermocouple, the small sensor that tells the gas valve the pilot is burning. When it wears out, it shuts the gas off even though the flame is lit. A weak thermocouple is a straightforward part to replace. It could also be a draft blowing the pilot out or a clogged pilot tube, so a contractor will check which one it is before replacing anything. A standing pilot doesn't run on electricity, so a power outage isn't the cause.
- Can a tankless water heater be repaired?
- Yes, most problems with a tankless water heater are repairable. Common issues are a clogged inlet filter, a buildup of scale on the heat exchanger, or a failed ignition part, and all of those can be serviced without replacing the unit. A contractor will run the diagnostics built into the unit to find the specific fault before deciding what needs fixing.