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  The Newest Models of American Heat are CSA approved for use in Canada, ETL #834 listed and UL#499 compliant. These units have a one year Warranty on the Electric Heating Elements, three year on the Electrical Componets (except Heating Element) and a Limited Lifetime Warranty on the case and plumbing. Replaceable parts may make this the last hot water heater you own. Note that the greatest liability in a home, apartment or condominium is the old tank heater. Replace that tank heater with the assurance that you are buying a dependable American Heat product.
The American Heat AHS Models are considered by many to be a step ahead of the competition and a marvel of technology and engineering. As with all tankless water heaters, these units heat on demand only when hot water is needed. A sophisticated flow sensor detects hot water being drawn. A series of sensors start gathering information or data. This includes Incoming and Outgoing water temperature and the flow of water in gallons per minute. All this information is sent to an onboard microprocessor. This small computer calculates the amount of power needed to heat water to the point that you have set on the digital display. Set temperatures for anywhere between 80° F and 140° F and the AHS Tankless busily goes to work activating and de-activating the various heating elements to produce the hot water you have selected on a digital display. Water flows past the heating elements and you get the hot water at the temperature you have selected, up to the capacity of the machine. AHS Models are theromostatically controlled with built in safety features to protect your children and you from overheated water. Other electronic tankless heaters in the market use a manually set thermostat to control the temperature of the heated water. You have little control of the temperature of the water if there is an increase or decrease in the flow rate going through these machine. The AHS Models of American Heat will remain on until the hot water is shut off at the faucet. Once the sensors detect that there is no more water flowing through the heater then the power to the elements and the heater simply turn off. All NEW for 2011...The new ETL listed UL #834 UL#499 and CSA 22.2 compliant AHS Model with stainless steel heat exchangers.
American Heat Tankless Water Heater AHS Series (For EXTRA COLD incoming Water or larger applications such as oversized tubs) American Heat Stainless Steel Tankless heaters are CSA approved. AHS27 112.5 Amps @ 240 Volts at 27kW 7.3 Gallons per Minute at 105°F Output here in Miami with our 80°F incoming water temperature. This unit can offer around a 61.2° F Heat Rise in 3 gpm. Shower heads usually do not exceed 2.5 GPM with both hot and cold water running. One of the secrets of using a tankless...use less flow for the water to heat more thoroughly. Get a 1.5 gmp shower head. Standard bath faucets usually run 2 to 4 Gallons per Minute, hot and cold. So, this is a big electric tankless water heater. Make sure it is for you by comparing your incoming water temperature to our Heat Rise Charts with each unit. Before ordering, check your electric panel size in amps. You must have at least 200 amp service. Note that the newer "pressure balanced' or "anti-scald" bathtub/shower valves require 3.0 gpm for adequate heat from your shower. The AHS27 is powerful enough to offer multiple showering, roman tub, sink faucet and washing machine flow rates with five to six items running at once here in Miami. Check your climate at the coldest incoming water temperatures to determine if this heater is right for you. Note that more than one tankless unit may be needed dependant on the flow rate desired or the temperature of the incoming water in your location. This is our large American Heat Stainless AHS27 Unit which uses 27 kilowatts of power for cold, cold climates and for bigger hot water users See our complete line of AHS Series Tankless Self-Modulating Water Heaters including the 16, 21, 24 & 27kW tankless water heaters Heat Rise and Specifications Ratings for Each Unit The Manufacture's Warranty is One Year on Heating Elements, Three Year on Electrical other than the Heating Element and a Lifetime on the Water Carrying Parts. The tankless water heaters manufactured by American Heat have replaceable parts for years of use.
Internal Workings Displayed of the American Heat AHS Model. Note that the American Heat 21, 24, an 27 kilowatt models use three heating pods. Each heating pod uses its own double pole 40 Amp Breaker.
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