Additionally a pou tankless water heater can be set at higher temps for a dishwasher or a clothes washer.
Tankless hot water heater settings.
Size matters when it comes to your tankless water heater.
Allow the water heater to sit for a minimum of one hour without using it and then turn on the faucet closest to the water heater.
Does your tankless water heater suddenly cut out on you.
Having a water heater that is too small will result in it not being able to produce enough hot water for your household demand.
You re in the shower and suddenly your warm water is replaced by cold water.
That s a common standard.
Usually when you purchase your tankless water heater you will find that the manufacturer will already have set the thermostat at a temperature of 140 degrees fahrenheit.
In fact it is the most important part of choosing a new unit for your home.
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.
A rheem water heater leaves the factory with the temperature preset at 120 degrees fahrenheit but you can adjust the temperature on the thermostat anywhere from 90 degrees fahrenheit up to 150.
Each pou has a separate temperature control component that can be accessed through a user panel with an led readout making it easier to adjust temperatures with a push button operation.
However for the purposes of most households there is no need for the temperature to be so high.