Mineral scale changes how a water heater performs in Volente.
Minerals carried in the incoming water settle out as scale on heating surfaces and around connections. That coating slows the transfer of heat into the water, so a heater has to work through a layer of buildup before it can deliver the hot water you expect. Equipment with narrow internal water passages is especially affected when scale accumulates.
A proper water-heater assessment in Volente separates an equipment failure from mineral buildup that is restricting flow or reducing heating performance. In a tank-style heater, sediment can gather at the bottom of the tank over time. In a tankless unit, scale in the heat exchanger needs attention before its flow and heating performance can be judged fairly.
The incoming water remains part of the decision after a repair or replacement. Replacing a heater without considering the mineral condition leaves the same scale-producing water running through the new equipment.