The IHeat S-4 electric tankless water heater is the perfect product for point of use applications. The S-4 has been manufactured in to handle 1 hand sink in the warmer climates. FL, GA, TX, LA and AZ. It?s small enough to be installed underneath a kitchen sink, or bathroom vanity, and since it?s electric you do not need to install costly exhaust pipes. The M series comes equipped with a digital display allowing you to choose a range of temperatures from 80 degree F to 140 degree F, (DOE recommends setting heaters at 120 degree F).

The IHeat Tankless water heater comes in different models, according to the climate requirements and the desired capacity. The IHeat tankless water heaters are designed to heat an incoming water flow up to a maximum output temperature. The performance of each model will depend on the capacity of the model, the heated water demand and the inlet water temperatures. So if your demand for hot water decreases your output water temperatures will increase The success of the iHeat Water Heater experience will depend on the selection of the right model. The IHeat Electric Tankless Water Heater Model S-4 has the capacity of heating 0.8 to 0.9 GPM which is the equivalent to provide warm water to 1 faucet. Or any point of use that requires low volumes of heated water. The required incoming water temperature should be above the 70 Degree Fahrenheit or in warm climates regions of the US which are Florida, Georgia, Louisiana, Texas, Arizona, California, Alabama, and Mississippi. If the IHeat Model S-4 is installed on a cold climate where the inlet water temperature is below the 70 Degrees Fahrenheit the heating capacity will decrease up to 0.4 GPM and the performance will be very limited. There are however applications for cold climate regions where the S-4 model could be useful if the inlet water temperature is in the adequate range.