## What is a good GPH recovery?

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 calculate my water heater recovery rate?

To get an approximate first hour rating based on your place, you can determine it using the following rule of thumb formula: **Tank Capacity x .** **70 + Recovery (see Recovery Rating above) = First Hour Rating**. Example: If the water heater is 40 gallons with a 36,000 BTU burner you take; 40 (gallons) x .

## What is a high recovery water heater?

A standard water heater has a recovery rate of approximately forty gallons an hour. A high-recovery unit **recovers 55 gallons of water an hour**. From these two recovery rates, we can deduce that high recovery water heaters are great for homes with many occupants or families.

## How fast does a water heater recovery?

**A gas water heater will take about an hour to recover, while an electric water heater will take about two hours**. If you have a high recovery water heater, which normally has a larger tank, it will heat the water in much less time, on average about 20 minutes.

## Which type of water heater has the slowest recovery rate?

electric water heaters

A water heater with a good recovery rate will heat the water back up quickly and return the radiant system to its desired operating temperature (125 degrees). Gas and oil fired water heaters offer the quickest recovery rates, **electric water heaters** the slowest.

## How do you calculate GPH recovery?

For example, in an electric water heater, if the wattage of the elements is 4500, the incoming water temperature is 40 degrees and you are heating the water to 120 degrees (temperature rise of 80 degrees) the recovery rate is 23.0 GPH.

## What is the recovery rate for a 40 gallon electric water heater?

Speed of Recovery

A gas water heater will recover in half the time of an electric unit. A 40-gallon gas water heater can recover in about an hour. Recovery for a 40-gallon electric water heater takes about **two hours**.

## What type of water heater has the fastest recovery rate?

**Gas water heaters** also have a much faster recovery rate, which makes them a convenient option for larger families. In the United States, about 60% of homes use gas-fired water heaters, and 40% use electric.

## What is the recovery time for a 50 gallon electric water heater?

Electric Hot Water Heater Recovery

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.

## 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).

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

A general estimated water heater size you will need is: A family of 2 will need a 30-gallon water heater. A family of 3 will need a 30-40 gallon water heater. **A family of 4 will need a 40-50 gallon water heater**.

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

A large 80-gallon gas water heater takes about **60 to 70 minutes** to heat up.

## Does turning up water heater make hot water last longer?

Turning up the heat at the water heater causes hotter water to go to the hot tap. If you desire the same temperature, this makes you use more of the cold tap. Therefore, you’re using a smaller percentage of hot water for the same total shower flow. This makes the perceived hot water in your tank last longer.

## Do I need a 50 or 80 gallon water heater?

The answer to this question will vary depending on the total number of kids you have. For example, **a family of 3 to 4 people should purchase a 50 – 60 gallon water heater**. On the other hand, a household with 5 – 7 people may require a water heater with a 60 – 80 gallon water tank.

## How many watts does a 80 gallon water heater use?

4500 watts

CMS Plumbing

With a 80-gallon tank and 1 element delivering **4500 watts**, the ECT-80 delivers a first hour rating of 81 gallons at an Energy Factor of 0.86. The Coregard™ Aluminum Anode helps protect the tank from the corrosive effects of water, and is accompanied by a 6-year limited warranty.

## How many watts does a 100 gallon water heater use?

Electric water heaters are typically running for 3 hours a day to heat water, newer more efficient models may run for only half the time during each day. A typical water heater will use around **4000 watts**.

## How many gallons can a 50 watt heater heat?

Therefore, a **10 gallon** aquarium will need a 50 watt heater. As the tank size increases, the larger water volume is able to retain the heat better. If the tank size is 40 gallons or larger, the watts per gallon can be reduces to approximately 3.5.

Aquarium Heater Size.

Aquarium Size | Heater Capacity |
---|---|

75-100 Gallons |
250-300 Watts |

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

Generally, **a 4500 Watt heater heats about 18 to 25 gallons every hour.** **5500 Watt water heaters can heat about 25 to 35 gallons of water every hour**.

## Can I replace a 4500 watt hot water heater with a 5500 watt?

Can I replace 4500 watt elements with 5500 watt? **You can definitely replace 4500 watt with 5500 watt** and get 4-7 gallons more hot water from a tank.

## How many amps does a 5500 watt water heater draw?

Meanwhile, an 80-gallon heater powered by 5500 watts and 240 volts, will result in 5500W/240V x (1.25 continual load) = **28.64 amps**. Meaning, a 30-amp dedicated circuit breaker is enough.