Tankless Water Heater Gas Line Size

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 heater gas line size. Most demand water heaters are rated for a variety of inlet temperatures. 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. 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.

Rheem tankless electric water heaters make it easy to enjoy instantaneous continuous hot water space saving design and significant energy cost savings. Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates. 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. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.

Plus you never have to worry about running out of hot water with a rinnai tankless water heater because it keeps heating as long as it is needed. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted. 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.

Tankless water heaters are intended to heat potable drinking water only and the inlet water to a tankless unit should not be pre heated. 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. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here.