Gas Tankless Water Heater Dimensions

That table 1 is intended for natural gas and table 2 is intended for low pressure propane gas supplies.

Gas tankless water heater dimensions. Natural gas or and liquid propane uef efficiency rating. Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand. Size matters when it comes to your tankless water heater. Determine the maximum number of devices you want to run and their total flow rate.

So i need to know what size tankless water heater is best for a family of 4. 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. The tables below list the maximum length for both 1 2 and 3 4 gas lines when paired with rinnai tankless water heater models. Looking to purchase a new tankless water heater but having trouble figuring out what size or model you need.

Then add up their flow rates gallons per minute. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here. In fact it is the most important part of choosing a new unit for your home. Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates.

Use our handy calculator to determine your needed flow rate and temperature rise then find models that match your needs. Rinnai rl series he tankless hot water heater.