Tankless Water Heater Size Requirements

Remember the maximum flow rate that manufacturers mention in the description is not what you ll get at your place.

Tankless water heater size requirements.

Your tankless water heater will need to be able to provide a 60 deg. Determine the mounting space. You may not need that big of a tankless water heater so make sure you read the whole article. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.

Gallons per minute gpm is the key when it comes to sizing tankless water heaters. The lowest price you can get for the highest gpm is easily the takagi t h3 dv n that will give you a whopping 10 gpm. Determine the maximum number of devices you want to run and their total flow rate. How to select the right size tankless water heater.

You ll need a tankless water heater that can provide a temperature rise of 50 f for about 6 gallons of water per minute. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. The best gas option in this case would probably be rinnai v series. How to determine the required size of a tankless hot water heater.

Measure your cold water temperature. The answer is simple. Then add up their flow rates gallons per minute. A wide range of sizes and capacities of demand type water heaters are available so indeed it makes sense to look carefully at your requirements.

Simply locate the appropriate water heater sizes on ecomfort using your information.