How Hard Is It To Install An Electric Tankless Water Heater. (tank units need only be flushed every year or so.) if you don’t take these steps, hard water can destroy a tankless water heater in only about two years. A skilled tradesman would take 2 or 3 hours to install a tankless water heater in the average home.
A steady flow of water from the hot water. After making sure that everything is clear in your way, look for the anchors and screws of the tankless water heater.
3 Things You Need To Know About Tankless Water Heaters
And usually, it’s between 30 to 150 psi. Attach a hose to the water heater’s drain valve and empty the tank.