Water heater maintenance is fairly straightforward and many property owners know how to do the basics such as flushing the tank twice per year checking the anode rod and other aspects.
Hot water heater filter location.
Tankless water heater location code.
Most manufacturers prefer that water heaters are near power sources so that the wiring is as short as possible.
Water heater maintenance clean the filter.
Since it would not be economical of me to provide the codes for every town in the united states and canada let me just give an example.
Water heater filters are contained in a filter housing.
Place it under the heater and pipe it into an adequate drain for water disposal.
The relief valve often located at the top of the hot water tank will also need to be piped to an open drain.