Tankless Water Heater Size Requirements

Then add up their flow rates gallons per minute.

Tankless water heater size requirements.

Determine your water flow rates. 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. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Remember the maximum flow rate that manufacturers mention in the description is not what you ll get at your place.

Measure your cold water temperature. Determine the mounting space. Simply locate the appropriate water heater sizes on ecomfort using your information. You may not need that big of a tankless water heater so make sure you read the whole article.

Determine the maximum number of devices you want to run and their total flow rate. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. The answer is simple. The best gas option in this case would probably be rinnai v series.

How to select the right size tankless water heater. How to determine the required size of a tankless hot water heater. Gallons per minute gpm is the key when it comes to sizing tankless water heaters. Your tankless water heater will need to be able to provide a 60 deg.

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.