Tankless Toilet Tankless Toilet Has Slow Leak From Wall/rusted Pipe. Is Leak In Wall? From Exposed Pipe? What To Do?

Tankless toilet has slow leak from wall/rusted pipe. Is leak in wall? from exposed pipe? what to do? - tankless toilet

If the type of valve should be 1 inch nipple on the wall. Close out of the water, unscrew the case, whether the soldiers, a problem if the thread that the confrontation between the nipple and place.