# Often asked: How Long Does A Water Heater Take To Heat Up?

## How long does it take for a 50 gallon water heater to heat up?

A 50-gallon hot water heater with 5,500-watt elements set to 120 degrees takes about 1 hour and 20 minutes to heat water coming in to the unit at 60 degrees. Conversely, when the water entering this same tank is 40 degrees, it takes 1 hours, 47 minutes to heat it up.

## How long does it take an 80 gallon electric water heater to heat up?

A 50-gallon electric unit will take about an hour and 45 to an hour and 50 minutes to heat up. For a large, 80-gallon electric water heater, it will take about 2 hours for the water to heat up.

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## How long does it take for hot water to come back?

If the previous shower lasted 15 minutes, you’re looking at about four minutes of hot water remaining. If you want to loll in your own 15-minute shower, you’ll need to wait 47 minutes before stepping in. (Gas units heat faster, so multiply by 1.9 instead of 4.3.) Use that time to iron or brush your teeth.

## Can you manually fill a hot water heater?

While an HVAC service call is the norm, you can refill your hot water tank and save the time and expense of a technician. If the hot water heater breaker isn’t labeled, turn the main power breaker to the “off” position. In the case of gas fired water heaters, make certain that the gas selector switch is set to “pilot.”

## How long of a shower can you take with a 40 gallon water heater?

A 40-gallon water heater can provide up to 2 showers in an hour (if you’re not using any other water appliances).

## How do I make my hot water heater last longer?

Turn up the thermostat on the hot water heater. One of the easiest ways to make a hot shower last longer is by using less hot water while it’s at a higher temperature. To do this, turn up the temperature on the thermostat that’s attached to the hot water heater tank. (Not the thermostat on the wall.)

## Why does my hot water heater take so long to heat up?

Other problems that can cause a water heater to suddenly take much longer to heat up include a broken thermostat, a broken dip tube or bad burners/heating elements. Unfortunately, you’ll need a professional for these particular water heater repairs.

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## Why is my hot water heater not getting hot?

Water temperature problems When there’s no hot water, the problem can stem from lack of power, a faulty electric thermostat or a faulty upper electric heating element. Start by ruling out power problems. First, reset any tripped circuit breaker, and replace any blown fuse.

## How do you shower when there’s no hot water?

Move quickly so that you do not have to stand under the shower head any longer than necessary. Move out of the stream of water. Try to point the shower head away from you as much as possible. Put shampoo in your hair, and scrub as you normally would.

## How can you tell when a hot water heater is full?

Turn off the drain valve once the water runs completely clear. Let your water tank fill up. You’ll know when your water tank is full when the hot water tap, which you turned on earlier, runs normally without any residual air coming out. Turn off the tap.

## What is a good recovery rate for a hot water heater?

When determining a good recovery rate for a hot water heater, it largely depends on your household’s needs. In many cases, you’ll see a residential water heater recovery rate average around 40 gph, though there are many models that can be as high as 50 to 60 gph.

## How do I flush my hot water heater?

How to Flush Your Hot Water Heater

1. Turn the Knob on Your Hot Water Heater’s Thermostat to “Off”
2. Turn Off Gas to Hot Water Heater.
3. Turn Off the Cold Water Supply to Hot Water Heater.
4. Turn on the Hot Water in a Sink or Tub.
5. Open the Pressure Relief Valve.
6. Connect Garden Hose to Drainage Spigot.
7. Turn on Spigot and Drain.
8. Flush.
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## Is it OK to transport a hot water heater on its side?

When moving, replacing, or installing hot water heaters, transport them with care to avoid damage. If the hot water heater is not properly moved while in a horizontal position, the metal casing could become damaged or the glass lining could crack.

## What do you do when you have no hot water?

Solved! What to Do When There’s No Hot Water

1. Bump up the thermostat.
2. Relight the pilot light.
3. Fix a faulty thermocouple.
4. Rekindle a blue flame.
5. Inspect the gas line.