Gallons per minute gpm is the key when it comes to sizing tankless water heaters.
Rinnai tankless hot water heater sizing.
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.
A low flow shower head may use 1 5 gallons of hot water per minute or gpm as it is called.
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.
Since tankless water heaters supply endless hot water you don t have to worry about capacity but instead think in terms of water flow rate.
Rinnai strongly suggests that you only purchase our products from rinnai independent dealers and that you have the products installed only by licensed professionals who have attended a rinnai installation training class licensed professionals who have attended a rinnai installation training class.
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.
Rinnai recommends that the tankless water heater installation should be performed by a licensed contractor who is trained to handle the plumbing gas electrical and venting aspects of a tankless water heater and is aware of all local and national gas fuel codes.
Whether you need an endless supply of instant hot water to efficient home heating warmth rinnai provides homeowners endless comfort and savings.
Select rinnai tankless water heaters can provide faster hot water by recirculating the water through your plumbing systems so hot water is always available whenever you need it.
360 technology is a built in pump and the circ logic technology needed all in one.
Size matters when it comes to your tankless water heater.
In fact it is the most important part of choosing a new unit for your home.
Circ logic technology allows you to purchase the pump separately for installation.
Gas tankless water heaters are able to produce a larger temperature rise per gpm than electric models.
Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand.
Most demand water heaters are rated for a variety of inlet temperatures.
Tankless water heaters are intended to heat potable drinking water only and the inlet water to a tankless unit should not be pre heated.
The right size is a tankless water heater that can heat enough gallons of water to a specific temperature per minute to keep up with the demand.
Things to consider when purchasing a rinnai tankless water heater proper installation.