American Heat AH18 Tankless Water Heater

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American Heat AH18 Tankless Water Heater

Red relates to the warmer incoming water found in southern states. The American Heat Super ADK-1 single, in-tandem with other ADK units, units in parallel and use of the larger, more powerful AH Model line for bigger hot water users are considerations. Orange and Green areas of this map indicate cooler incoming water. In this area you could use the Super ADK-1 units or smaller units in tandem to heat smaller amounts of water such as showers. Light blue indicates those states that have colder incoming water and should use the larger American Heat AH Models. Dark Blue represents cold water areas that require the larger AH Models and may only supply 3.0 GPM with the AH27 unit at 45 degree F incoming water. Note that more than one tankless water heater may be required depending on your hot water needs and incoming water temperature.

This chart allows comparison of individual American Heat AH models based on 105 F degree hot water produced from the inlet temperature at the top of this page.

This chart is a standard heat rise chart and is useful in determining the model needed by the number of gallons per minute vs the heat rise required.

Design of Your New AH Model by American Heat

Click to enlarge image(s)

The American Heat AH18 is a self-modulating electron tankless water heater. It uses an on-board microprocessor to measure the temperature of the incoming water. The unit has a patented flow switch allowing flow rates to be measured accurately. The computer is programable and controls the energy used to heat the heating elements and how many elements to be heated. You select your water temperature with the push of a button. A digital display indicates this temperature. With a one year Warranty on the replaceable heating elements, three years on the electronics and a lifetime on the water carrying parts, this may very well be, the last water heater you ever need.

UL#499 and CSA Approved

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Note: All prices in US Dollars

Super ADK-1

ADK-2 (37 Amps at 240 Volts on a two pole 40 Amp Breaker)

ADK-1 (48 Amps at MAX using a 2 pole 50 AMP Breaker)

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