Rinnai tankless water heaters have a temperature controller that sets a specific output temperature and have an activation flow rate as low as 0 4 gallons per minute.
Rinnai tankless water heater sizing guide.
Now you need to understand what temperature rise means.
Before we get to how to use the calculator to size a tankless water heater let s talk about the factors that go into understanding what size inline water heater you need.
If you want to upgrade your water heater size from 40 or 50 gallons storage water heater or replace it you won t necessarily need a big tankless water heater.
Tankless water heater sizing guide for residential applications.
360 technology is a built in pump and the circ logic technology needed all in one.
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.
Size matters when it comes to your tankless water heater.
To simplify the process we have a handy three step formula for choosing what capacity of rinnai tankless water heater will work best for your needs.
We already covered gpm.
Check out our tankless water heater buying guide for help figuring out what will best suit your needs.
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.
Rinnai products also set themselves apart by their versatility with gas type convertible and replaceable parts.
Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand.
Tankless water heater sizing calculator.
In fact it is the most important part of choosing a new unit for your home.
Select the number and type of each fixture that your household typically uses simultaneously.
We re here to help you.
Circ logic technology allows you to purchase the pump separately for installation.
After that view our sizing guide pdfs which offer further guidance on choosing an appropriate tankless model for your application.
There are many factors that impact the size of tankless water heater you should choose including how many people are in your home or office and how many facilities bathrooms washrooms laundry rooms or kitchens the unit will service.
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.
Not sure how to decide amongst the choices here.
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.