Asked by: Egidijus Jalda
home and garden home appliances

How long does it take to refill a hot water heater?

Last Updated: 7th February, 2020

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The average gas heater takes between 30 and 40 minutes to fully heat up the water in its tank. The average electric heater takes about twice as long as the average gas heater to fully heat up the water in its tank, so you can expect it to take between an hour and an hour and 20 minutes to heat up.

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Similarly, it is asked, how long does it take to fill a 40 gallon water heater?

Usually, it would only take 10-15 minutes to have the water ready for heating. It is not always required to fill it immediately, but it's efficient to do so to start the water heating process. The water heating process usually takes around 2-3 hours, depending on the type of water heater you have at home.

Similarly, 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).

Similarly, how long does it take for a 50 gallon water heater to heat up?

about 1 hour and 20 minutes

How do you fill up a hot water heater?

How to Fill a Hot Water Heater

  1. Turn off the gas valve or shut off the electricity breaker that powers the hot water heater.
  2. Shut the cold water valve.
  3. Connect a hose to the drainage valve for the purpose of routing water outdoors or into a drain.
  4. Open the drainage valve (usually by turning it counter-clockwise).

Related Question Answers

Dimple Boucinha

Professional

How much hot water should I get from a 40 gallon tank?

The number will vary for a 40 gallon tank from the low 40's to as high as 70 gallons per hour, so check yours and it will help us decide if all is normal or something is wrong. With an 80-20 mix of hot and cold, even a 40 gallon heater should give you 50 gallons of water for your shower.

Lane Siegismund

Professional

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

Open a faucet with the water pump 'on', or connected to city water, and when water runs out the hot faucet without 'belching' air, the water heater is full. When you turn the faucet on/off and it acts like your home water faucet, it's OK.

Iosune Gottig

Professional

How long does water stay hot in a geyser?

A 150 litre geyser needs about an hour to heat water to the set temperature from cold. So switching the geyser off when hot water is not required and switching it on an hour or so before hot water is needed will cut the amount of electricity used.

Yola Bellwon

Explainer

How long does it take for hot water to come back after it runs out?

Tip #2: Be Aware of the Recovery Time
Once your water heater has been drained, it will need time to recover so that it can deliver hot water again. On average, a 50-gallon tank will take approximately 20 minutes to refill, and it could take at least another 20 minutes to heat the water.

Tamera Altuna

Explainer

What is the best 40 gallon gas water heater?

Best Overall Gas Tank Water Heater: Rheem Natural Gas
This makes gas a frequent choice for larger homes or families that need the most from their hot water heater. The Rheem Natural Gas 40 gallon water heater uses a large tank that is big enough for two to four people for daily water needs.

Floro Bakhtchivandzhi

Explainer

What is the difference between a 40 gallon and 50 gallon water heater?

Typically, the rule-of-thumb is that you want a 40 gallon tank for 1 to 4 people, a 50 gallon tank for 4 to 6 people, and a 50 gallon high recovery or 75 gallon tank for 6 to 8 people. Energy consumption for 40 and 50 gallon standard water heaters is quite comparable.

Bram Zieschank

Pundit

Why does my water take so long to heat up?

There's several reasons; the distance from the water heater, the diameter of the piping, and the flow rate of the water. The further the hot water has to flow, the longer it takes to heat up the shower faucet. Another reason for a delay in hot water is the water that is currently in the pipes.

Yarisa Oveja

Pundit

How many showers can you put in a 50 gallon water heater?

A 50 gallon water heater is the most common tank we install. It is such a common size because it can supply hot water for 3 – 5 people. Considering an average shower uses 17.2 gallons of water you can typically have enough hot water for up to five people to take a shower within an hour.

Iera Utermohle

Pundit

What is the difference between a 4500 watt and 5500 watt water heater?

A good rule of thumb is that a standard residential gas water heater will produce approximately 35-45 gallons per hour (GPH) of hot water. Electric water heaters with 4500-watt elements heats approximately 18-25 GPH and 5500 watt elements provide approximately 25-35 GPH.

Elmo Fontelles

Pundit

How much water should you drain from hot water heater?

Open up the drain valve on the tank and allow it to empty. Depending on the size of the hose and pressure, you can expect it to deliver 9 to 17 GPM. So if you have a 50 gallon tank, the water should be flowing at full pressure for 3 to 6 minutes – if the flow is slow, is trickling, etc…

Brent Arozena

Pundit

How do I reset my hot water heater?

Part 2 Pressing the Reset Button
  1. Locate the red reset button. There should be a red button in the center of the control panel.
  2. Press the button firmly. The reset button can sometimes be sticky, especially if you haven't reset the heater in a while.
  3. Wait to hear the button click.

Mouhssin Mahotkin

Teacher

How long do you flush a water heater?

Shut off the gas or electricity to the water heater and open a hot water faucet and let it run full blast for about 10 minutes to reduce the water temperature in the tank. Then shut off the cold water valve at the top of the tank and attach a garden hose to the existing drain valve and route it to a floor drain.

Osane Gil Ortega

Teacher

How do you start a water heater?

How to Light a Water Heater Pilot Light
  1. Open the door/cover over the pilot light access.
  2. Use a flashlight or a headlamp to find the burner inside.
  3. Turn the gas knob to “Pilot,” press and hold it down.
  4. While still holding the gas down, light that pilot.
  5. When the flame ignites, continue to hold the gas knob or button down for a full minute.

Enrrique Santa Coloma

Teacher

How much water does a 20 minute shower use?

Save water and energy: Reduce your shower time!
The EPA estimates that the standard shower heads use 2.5 gallons of water per minute. That's 20 gallons of water for the average shower!

Ella Apprecht

Teacher

Is a 10 minute shower too long?

Showering for too long Between the steam, streaming water, and warmth, it's tempting to spend 15, 20, even 30 minutes in the shower, but many experts say anything more than 10 minutes is too much. “You shouldn't shower for more than 5 to 10 minutes,” says Dr. Farris. Long showers strip your skin of moisture, too.

Parmjit LidueƱa

Reviewer

Why doesn't my hot water stay hot long?

So a broken dip tube can mean cold water goes into your home's hot water pipes before being adequately heated. Another cause of hot water not being hot enough is sediment buildup in the water heater tank.

Qasim Pin

Reviewer

Is 40 gallon water heater enough for a family of 4?

Typically this math breaks down so that families with: 1-2 people need a 30-gallon water heater. 2-3 people need a 40-gallon water heater. 3-4 people need a 40-50 gallon water heater.

Frutos Balabas

Reviewer

Why does the hot water run out so fast in the shower?

Water Heater Runs Out Of Hot Water Quickly: Possible Reasons Why. As mentioned above, several things can cause a home's hot water supply to run out faster than it should. The three most common culprits are sediment build up, a faulty heating element and a broken dip tube.

Lovetta Main

Reviewer

How long does it take to fill a 40 gallon hot water heater?

Usually, it would only take 10-15 minutes to have the water ready for heating. It is not always required to fill it immediately, but it's efficient to do so to start the water heating process. The water heating process usually takes around 2-3 hours, depending on the type of water heater you have at home.