Gas Tankless Water Heater Dimensions

Size matters when it comes to your tankless water heater.

Gas tankless water heater dimensions.

Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here. Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates. How to select the right size tankless water heater.

The tables below list the maximum length for both 1 2 and 3 4 gas lines when paired with rinnai tankless water heater models. Determine the maximum number of devices you want to run and their total flow rate. Rinnai rl series he tankless hot water heater. 7 5 gpm energy star certified may be available for rebates.

Natural gas or and liquid propane uef efficiency rating. In fact it is the most important part of choosing a new unit for your home. Then add up their flow rates gallons per minute. 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.

That table 1 is intended for natural gas and table 2 is intended for low pressure propane gas supplies. Use our handy calculator to determine your needed flow rate and temperature rise then find models that match your needs.