Tankless Water Heater Dimensions

Looking to purchase a new tankless water heater but having trouble figuring out what size or model you need.

Tankless water heater dimensions.

I live in boston so my groundwater temperature is around 47 f. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. To learn find the right product go to our tankless water heaters page. Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate.

As an example i will show you what came out for me. The dimensions vary slightly based on the model you choose. Size matters when it comes to your tankless water heater. Some models can even be installed indoors or outdoors based on your needs.

What size tankless water heater depends on your gpm at peak hot water demand. Electric units have measurements in the 10 inch high to 7 inch wide range while gas fired. Not only are tankless water heaters more efficient they re also convenient for installation in small spaces. For example you might not be able to run more than one shower at a time without someone getting an arctic blast of cold water.

Most rinnai tankless water heaters are only about the size of a rolling suitcase. Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand. And your temperature rise which is determined by your incoming water temperature subtracted from your hot water setting.