This is as easy as heading down to the local planning or building department to ask for one.
Instant water heater installation height.
The first permit is for the water heater itself.
In most cases installing your tankless water heater in the same location as your old conventional tank type water heater will make the most sense.
If the window does not open the tankless water heater clearance from a window requires a 12 inch setback.
The uniform plumbing code which establishes standards nationwide says that the flame or sparking mechanism in a gas water heater must be at least 18 inches off the ground.
As it turns out the most convenient place to put it was a good 7 or 8 feet off the floor for a number of reasons.
If the unit is vented to the outside then it needs 12 inches of clearance from a door or window.
You re only looking at 20 to 100 out of pocket as opposed to several hundred dollars to call in a plumber.
Tankless water heaters should not be installed near dryer vents or intake air vents.
How much does a water heater permit cost.
Regardless of your installation location your water heater should be installed in a manner that will not allow combustible materials to come in contact with the water heater or outlet water pipe.
I went with the general consensus that there s really no limit on height of installation though i m not sure i made it clear i was talking about height from the floor.