Most often, those reporting to have low hot water pressure have an older home with 1/2-inch diameter galvanized piping that enters and leaves the water heater. But we recommend to do some research on the tankless vs tank water heater comparison. If your household tends to use more hot water now than a few years ago, you may want to consider investing in a new model with a larger capacity tank, a tankless model, or installing a point-of-use water heater that’s close to the water source you use the most (ie: the shower). That said, if it’s taking longer than usual for the hot water to recover, there may be an issue with the heating elements (including sediment build-up on them) or thermostat and those parts may need to be replaced. The amount of time it takes to heat up water can vary quite a bit between different models. On average, recovery time (time it takes to reheat entire supply of water) on an electric model is double that of a comparable gas model. This is one of the downsides with electric water heaters.
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If you cannot lower the water temperature low enough, you may need to replace your thermostat or there may be some type of wiring issue (recommended to call a pro if the later). For our recommended temperature setting, click here.
This may also be needed when transitioning from cold to warm seasons. Simply gain access to the thermostat and adjust as needed. Other possible reasons for not having enough hot water include a faulty thermostat, faulty element, loose wiring, or simply a water heater tank that’s too small for your needs. See “ What size water heater do I need” for more info.Īgain, this is likely related to the thermostat(s) where the temperature is set too high. Unlike gas models, an electric thermostat is set at the factory and not intended to be changed but is sometimes necessary to do so.ĭuring the cold winter months, you may need to slightly raise the thermostat temperature since the hot water gets cooled quicker through colder pipes as it travels through your home’s plumbing. On electric models, the thermostat is usually hidden behind an access panel on the side of the tank and a layer of insulation. It may be as simple as adjusting the desired water temperature on the thermostat for the particular heating element. Not having enough hot water is most likely due to an issue with the thermostat. It may have tripped due to the water being way too hot or simply failed and needs replacement.
It may also be an issue with the limit/reset switch on the thermostat. If that’s not the cause then the heating elements may have failed and need replacement.
The most common reason for absolutely no hot water is that the circuit breaker has tripped and you should first check the breaker box. Water in an electric water heater is heated by two heating elements (in most cases). For more information, see Water Heater Leaking from the Bottom. In some cases, the actual tank is leaking and the only fix is to replace the water heater. Water Leaking From the BottomĪn electric water heater that’s leaking from the bottom is typically because of normal condensation, a leaking electric heating element gasket, or a small amount of water being expelled through the overflow pipe because the T&P valve is opening to release excess pressure in the tank. For more information, see Water Heater Leaking from the Top. The cold inlet or hot outlet pipes may be loose, the T&P valve may have failed, or inlet valve may be leaking. If you believe you have a leak near the top of your electric water heater, it could be one of a few things. ( Click to jump to GAS water heater problems) (click to enlarge) Water Leaking From the Top
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