Tankless Water Heater Gas Line Size

Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.

Tankless water heater gas line size.

Rinnai tankless water heaters are designed to provide maximum performance and efficiency using either a 3 4 or 1 2 gas line as long as sufficient gas flow is available. Electric units have measurements in the 10 inch high to 7 inch wide range while gas fired. Choose the right tankless electric water heater for you. Simply locate the appropriate water heater sizes on ecomfort using your information.

Gas tankless water heaters are able to produce a larger temperature rise per gpm than electric models. Tankless water heaters can be a great solution to provide hot water. So i need to know what size tankless water heater is best for a family of 4. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.

Just follow the three simple steps below to choose the right model and size you need. Tankless water heaters are intended to heat potable drinking water only and the inlet water to a tankless unit should not be pre heated. However most tankless water heaters have a btu capacity ranging from 140 000 to 200 000 or more which makes a tankless water heater one of the largest single appliances on a typical gas system. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted.

An undersized gas line can stress a tankless system and possibly reduce its lifespan all rinnai tankless water heaters are equipped with technology that safely ceases. Rinnai tankless water heaters last up to twice as long have twice the warranty and save energy as they only heat water when it is needed. 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.