Water heaters, particularly commercial models, are wonders of modern engineering. So long as preventive maintenance measures are taken, they are, in-general, highly reliable appliances that are not prone to frequent or sudden failures.
Water heaters that do not work effectively are costly, inconvenient, and they can be extremely dangerous. For example, inoperable or defective temperature-and-pressure relief valves and thermostats can cause explosions. Explosions can also be due to… Continue