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"One hour for a new water heater" for a NEW one. If its a few years old, Id wait about 2 hours or so. That way it wont get cold while you are in the shower, and it can refill at the same time that it dispenses.

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12y ago

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How long to heat up 50 gallon water heater after filling it?

Usually about an hour.


How long does it take a 40 gallon gas water heater to heat up?

A 40-gallon gas water heater typically takes about 30 to 40 minutes to heat water from a cold start to the desired temperature. However, the exact time can vary based on factors like the initial water temperature, the heater's BTU rating, and the efficiency of the unit. Some models may heat water faster, while others may take longer.


How long does it take to fill up a 50 gallon water heater?

The time it takes to fill up a 50-gallon water heater depends on the water supply flow rate, typically measured in gallons per minute (GPM). If the flow rate is around 5 GPM, it would take approximately 10 minutes to fill the tank completely. However, this can vary based on plumbing, water pressure, and the specific flow rate of the faucet or valve being used.


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

depends on water pressure, but it should completely fill in 15-20 minutes. the water should be hot in another 20-25 minutes if it has been run completely empty.


How long does it take water to get hot in a hot water heater Doing a lot of clothes washing in hot water and want to know how long it takes the hot water heater to heat back up after its gone cold?

depends on the gal size and btu of the heater. look on the panel and it will tell you the gals and btu. also is it gas or electric, single element or double. most 40 to 50 gal heaters will recover in about 25 to 45 mins.I AM A MASTER PLUMBER LOCATED IN TEXAS. Hope this helps.

Related Questions

How long to heat up 50 gallon water heater after filling it?

Usually about an hour.


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

Around 3 hours


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

It typically takes about 1-2 hours for a 50-gallon electric water heater to heat up from cold to the desired temperature. However, factors such as incoming water temperature, thermostat setting, and efficiency of the heater can affect the heating time.


How long does a 40 gallon electric heat water heater at 140 degrees take to heat up after restarting with cold water?

depends on the wattage of the elements along with the temp of the cold water but i would guess an hour or two


How long does it take for a water heater to heat water?

The time it takes for a water heater to heat water can vary depending on the type and size of the heater. On average, it typically takes about 1-2 hours for a water heater to heat up a full tank of water.


How long does it take to heat a water heater?

The time it takes to heat a water heater can vary depending on the size and type of the heater. On average, it can take anywhere from 30 minutes to a few hours for a water heater to heat up completely.


How long does a water heater take to heat up?

The time it takes for a water heater to heat up can vary depending on the size and type of the heater, but typically it takes about 1 to 2 hours for a water heater to heat up a full tank of water.


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

The time it takes for a water heater to heat up can vary depending on the type and size of the heater. On average, it typically takes about 1 to 2 hours for a water heater to heat up a full tank of water.


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

Anywhere from 6- 35 hours. Lol. No it should take around 2 hours


How long does it take for the water heater to heat up?

The time it takes for a water heater to heat up can vary depending on the type and size of the heater. On average, it can take anywhere from 30 minutes to 1 hour for a water heater to heat up a full tank of water.


How long does it take to heat up a water heater?

The time it takes to heat up a water heater can vary depending on the size and type of the heater. On average, it can take anywhere from 30 minutes to 1 hour for a water heater to heat up completely.


How long does a water heater typically take to heat up?

A water heater typically takes about 1 to 2 hours to heat up a full tank of water.