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Charitably, it's less prone to limescale insulating the elements, increasing service life and making the system more efficient as you don't need to run water as
by mjlee 6y ago
Charitably, it's less prone to limescale insulating the elements, increasing service life and making the system more efficient as you don't need to run water as long waiting for it to heat up.
- SigmundA 6y agoWhy is it less prone to scale buildup? Scale comes from heating the water, which both do. I have a gas instant hot water heater, with a water softener it basically never builds up scale, otherwise a yearly acid flush is recommended and it has flush port that make it a easy job.
- dTal 6y agoScale builds up on the heating elements because it precipitates out when the water turns briefly to gas. Once present, the scale will negatively impact the coefficient of heat transfer between the element and the water. A microwave system wouldn't have any heating elements, and any precipitates would fall harmlessly to the bottom, not hurting efficiency.