water heater

On cold winter days, nobody wait to take a warm bath. It is very important to know how long it takes to heat a 40-gallon water tank, for a family. It is important to know that how long it takes to charge the water heater correctly & safely when need to shower.

You can fill the hot water tank and save the technician time and costs. No special skills are required to fill up, but you must know the parts of the heater & work and how they work for successful and hassle-free filling.

In this blog, we cover everything you need to know about filling up a water heater, steps, tips & warnings.

  • How Long Does It Take To Fill Up?
  • Steps to Fill the Water Heater
  • Tips
  • Warnings

How Long Does It Take To Fill Up?

Charging a 40-gallon water heater does not take too much time if the water pressure is high. A 40-gallon water heater takes 30-40 minutes while 80-gallon tank takes 60 to 70 minutes.

The time heater takes to heat a full tank depends on its size. It is not always necessary to refill it immediately, but it is more efficient to start the process of heating the water right away.

Steps to Fill the Water Heater

Filling the water tank seems easy for anyone, but it’s not actually. But a water heater is a special snowflake, it requires knowledge & effort.

We strongly recommend continuing with this section if you fully understand how long it takes to fill up a water heater. You should also follow these steps to be on the safe side:

Step 1: Turn off the electric supply from the heater

Water conducts electricity and would be very dangerous if someone touched hot electrical water. It is recommended that you should never skip this step to save energy. Also, it can reduce your energy costs as well. For natural gas users, it is enough to turn off the gas valve.

Step 2: Drain out the water inside

Close the cold-water valve to drain out the water inside. Connect the pipe to the valve to drain the water. Draining the water is very important to avoid problems with the water supply and for the water heater itself.

Once it’s done, close the drain valve and carefully place the tube in its position. It’s also a good process to flush out any residual water with each use, extending the life of the heater.

Step 3: Fill up the heater with a cold water valve

Start the water filling process. It takes time, depending on the available water pressure in the household. Water must be clean to confirm the care of the whole family.

Be sure to perform approximately checks and tests before continuing to refill. Filling dirty water is a waste of energy and resources. If it starts to get a steady stream, turn off the tap quickly.

hot water heater

Step 4: Supply electricity to the heater

Now the heater is full of water. Quickly verify that our estimate is correct for the time it takes to fill a 40-gallon water heater. Connect all essential wires and plugs for the restoration process. As said above, it takes about an hour to heat the entire unit.

You can also do this whole process while doing something. Usually, a lot of people do this and took a shower afterward. That’s why always advise everyone to heat the water before they even think about using it.

Step 5: Tighten the drainage valve to Prevent Leakage

Many people, forget to check your drain valve. You can also do this before plugging in any power supply to make sure everything is working properly. It is also important to tighten the drain valve to avoid leakage problems.

Make sure that the cover is in place. You can use tools, such as a wrench, to aid in tightening. It won’t take much time and will save you more time if you want to avoid the trouble.

Tips

Make sure the gas valve is open. Valve is located on the pipe leading to the area around the gas sector knob. When the valve is closed, the valve handle is at a 90-degree angle to the pipe.

Check the drain valves for leaks while filling the tank. If there is a leak, tighten the valves further. Drain and refill your heater annually to prevent rust and sediment. It extends the life of the tank.

Warnings

Supplying electricity to an empty water heater can be dangerous as the heating process is stopped. When the heater is full and the water is up to high temperature, the second tube distended from the top of the heater will become very hot. Touching a hot water heater will cause severe burns.

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