No hot water in Burke: first, what kind of problem is it?
When there is no hot water in Burke homes, the first useful question is whether the water is completely cold or just not hot enough. A heater that has stopped entirely usually points to a single failure, such as a pilot or burner problem on gas or a failed element or tripped safety control on electric. Water that is warm but not hot, or that runs out quickly, usually points to something that has been building up for a while.
Check a couple of taps in different rooms. If every tap is cold, the heater is the likely cause. If only one fixture is affected, a mixing valve or that fixture's own valve may be the issue. Either way, tell us what you found when you call.
Hot water runs out fast or the water is lukewarm
If your hot water runs out fast, or you are getting lukewarm water at the hottest setting, the heater is still working but not keeping up. Common reasons include sediment taking up space at the bottom of a tank, a broken dip tube letting cold water mix at the top, a thermostat that is not reading correctly or, on electric heaters, one of two elements failing.
Sometimes the heater is simply too small for how the household now uses hot water. A family that has grown, or a new soaking tub, can outpace a tank that used to be fine. The technician will tell you which of these is most likely before suggesting a repair or a replacement.
Why a gas water heater is not heating
On a gas heater, the usual suspects are the parts that create and monitor the flame. A pilot that will not stay lit, a worn thermocouple or flame sensor, a faulty gas control valve or a burner that is dirty or not getting enough air can all leave the tank cold. Venting problems can also cause a safety device to shut the heater down.
We describe these parts so you know what the tech is checking, not so you can fix them. Gas controls need a professional. For more detail on pilots, burners and venting, see the gas water heater page.
Why an electric water heater is not heating
An electric water heater not heating usually comes down to a heating element, a thermostat or the high-limit safety control that shuts power off if the water gets too hot. Many tanks have two elements, so if the upper one fails you may get no hot water at all, while a failed lower element tends to cause short supplies of warm water.
These parts carry household voltage, so testing them is a job for the technician. The electric water heater page explains elements and thermostats in more depth.
Sediment, a failing dip tube or a heater that is too small
Sediment is the slow one. Minerals settle at the bottom of a tank, where they can insulate the water from the burner and make rumbling or popping sounds. A tank with heavy sediment holds less usable hot water and works harder. Regular flushing, part of water heater maintenance, helps keep it under control.
The dip tube carries incoming cold water to the bottom of the tank. If it cracks, cold water mixes into the hot water near the top outlet, and showers turn lukewarm quickly. A failing dip tube can also leave small plastic pieces in faucet screens.
| What you notice | Often linked to | Gas or electric |
|---|---|---|
| Completely cold water | Pilot, burner, gas control, upper element or high-limit control | Both |
| Warm but never hot | Thermostat, sediment or a failed element | Both |
| Runs out much faster than before | Sediment, dip tube or lower element | Both |
| Rumbling or popping | Sediment on the bottom of the tank | Mostly gas |
What the technician checks first
The technician starts with the simple things: whether the heater is getting fuel or power, whether any safety control has shut it down and whether the thermostat setting has been changed. On gas units they look at the pilot assembly, burner and vent. On electric units they test the elements and thermostats.
They also look at the tank's age and condition, check for leaks and ask how long the problem has been building. That full picture is what lets them recommend a repair or a replacement with confidence.
Repair or replace: how the decision is made
A single failed part on a heater in good condition is usually worth repairing. A tank that is old, showing rust or leaking, or one that needs several parts at once, is often better replaced. The technician explains the reasoning, gives you the price for each option and lets you decide.
If replacement makes sense, the water heater installation page walks through choosing the type and size.
Why Burke homes lose hot water in winter
Many Burke houses date from the late 1960s through the 1980s, and the heater usually sits in a basement or lower-level utility room, or in a closet in townhomes. In winter, incoming water is much colder, so the heater has to work harder to deliver the same shower. A tank with sediment or a weak element that coped in autumn can fall short in January.
That is why these calls tend to rise when the weather turns cold. If you live near the lake, see what is covered for water heater repair in Lake Braddock. In the late-1970s homes with full basements, read about water heater repair in Signal Hill.
Tell us gas or electric and how old the heater is.