Tankless Water Heater Dimensions

Determine the mounting space.

Tankless water heater dimensions.

How big is a tankless water heater. In fact it is the most important part of choosing a new unit for your home. Icomm elite spec sheet. Most rinnai tankless water heaters are only about the size of a rolling suitcase.

What size tankless water heater depends on your gpm at peak hot water demand. As an example i will show you what came out for me. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. Measure your cold water temperature.

Determine the maximum number of devices you want to run and their total flow rate. Determine your water flow rates. I live in boston so my groundwater temperature is around 47 f. And your temperature rise which is determined by your incoming water temperature subtracted from your hot water setting.

Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand. Then add up their flow rates gallons per minute. Size matters when it comes to your tankless water heater. Icc building management system spec sheet.

The dimensions vary slightly based on the model you choose. 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. How to determine the required size of a tankless hot water heater.