Choose a location for the new water heater that will allow you to vent it to the outside easily.
Outdoor tankless water heater installation.
If you re upgrading your current system and it is a tank based water heater then an outdoor installation point may be easier to complete.
Second turn off the water supply and drain the water from the water heater.
Homeowners without a good drainage point should also consider an outdoor tankless model before an indoor model in most instances.
Place a cover over the vent termination for intake and exhaust to keep debris out.
To begin winterizing your tankless water heater first turn the unit off and unplug its power source.
A licensed professional must install the water heater according to the exact instructions on pages 4 20.
Outdoor tankless water heater installation and operation manual for outdoor applications only v53de.
In general purchasing and installing a tankless water heater costs about 2 to 2 5 times as much as a standard water heater because of the higher production costs of the unit venting and resizing the gas line and gas meter required to support the unit s demand.
Reduce the water pressure and disconnect the water pipes from the water heater.
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