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TANKLESS Tankless Water Heater Product Guide Tankless Water Heater Applications Tankless Water Heater Electrical Guide Tankless Water Heater Installation Tankless Water Heater Cost Comparisons Tankless Water Heaters Service Guide
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REVOLUTIONARY TANKLESS WATER HEATING TECHNOLOGY FOR THE 21ST CENTURY It is no wonder that humans have recognized the soothing, therapeutic benefits of a warm bath since the beginning of time, since it is from this very environment that we each begin life. Whether a primordial cause or simply an instinct, all mammals gravitate towards the relaxing environment provided by warm water. However, humans are the only species that have learned to provide themselves with the means for enjoying these benefits at will. The Challenge to SEISCO and all mankind is to produce this hot water comfort in the very best way. The road to ultimate hot-water comfort has been lined with many attempts at improvement, including channeling hot springs, heating tanks of water, and the tankless water heater. All have been precursors to what now is proven to become the water heating system of the 21st century, the SEISCO Tankless Hot Water Heater System. A BRIEF HISTORY OF WATER HEATERS Hot Springs The earliest families enjoyed warm baths in rare, but valued, natural hot springs. As civilizations advanced, so did mankind’s development of the technology for providing hot water wherever families lived. Hot Water in the Victorian Age At first, people heated water in vessels. Later, the affluent used gas-fired, coil-type, tankless water heaters to heat the water in their Victorian homes. These water heaters consisted of a gas burner and copper water pipe formed in a coil, which acted as a heat exchanger. After a hot water fixture was opened, the gas burner would then be lit, heating water as it flowed through the coil. Unfortunately, this type of water heater had no water temperature control. Instead the ultimate output temperature of the hot water depended upon the heating capacity of the burner size and the volume of hot water sent through the coil. It was critical to maintain enough water flowing through the heater, while the water heater was in operation, in order to avoid dangerously overheating it. Since this system provided a constant heating capacity, the ultimate ability of the system to provide the desired hot water temperature depended upon both the temperature of the incoming water as well as the volume or flow rate. The Beginnings of the Hot Water Tank Later, with the introduction of public, pressurized, water systems came fixtures such as showerheads and spray faucets, which produced increasingly higher, flow rates of hot water. With the higher flow fixtures also came a higher demand for hot water and the need for better water heaters. The danger involved with improper venting and inadequate temperature control for the earlier gas tankless water heater limited heating capacity design. At high hot water flow rates, the user often could not achieve sufficient heating for the water to accommodate a single shower. These conditions gave rise to innovation that led to the development of storage-tank water heaters. During the l920’s, some of the earliest of the storage-tank water heaters in the U.S. were actually a combination of the tankless water heater’s heat exchanger with a holding tank for storage. One such device built by the "Holyoke Heater Company" and fueled it with kerosene. Electric Tank Water Heaters After Westinghouse introduced the alternating current to the U.S., water heaters began consisting of an insulated tank and a heating source that was either electricity or gas. The heating source, either electric immersion elements or gas burner, heated the water until the water temperature in the tank rose high enough to trip an automatic resetting thermostat. When tripped, the thermostat would turn off the heat source. As hot water was drawn out of the tank during use, the water temperature dropped below the thermostat setting. At a preset temperature, the thermostat would reset, activating the heating source to heat the new water. Over the past 70 years few changes have be made to either storage-tank or tankless water heaters–that is until SEISCO. |
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