IHeat Whole House Electric Tankless Water Heater AHS18-D


The IHeat tankless water heater AHS series is a solid work horse can be used from domestic household heating to heating up your 1000 square ft space. This IHeat tankless water heater is equipped with a Patent pending Real-Time Modulating Technology which monitors the output water temperature 60 times per second, ensuring you an accurate output water temperature everytime. The IHeat AHS series also has a Patent Pending Auto Check Diognoses via USB, this allows you easily see how your water heater is performing.

SKU: AHS-18-D Categories: ,


Product Specifications:
Model AHS18D
Design iHeat™ Closed Loop Modulation
Current   Single phase- 60 / 50 Hz
240v 18kW/75A
Required Circuit Breaker  (2) 40A
Recommended wire size     (Qty) AWG#  (2) 8-2
Min Activation flow rate 0.25 GPM
Weight 16 Lbs.
Dims (Height/Width/Depth) inches 16″  / 13.5″  / 3.5″
Max PSI 150 PSI
Water Connections 3/4″ NPT
Water Proof IXP4

USB port performance capabilities
Touch Screen display
Full stainless steel construction
Flow Meter intergrated
Real Time monitoring 60x/second
3/4 Inch Inlet and Outlet connections
Replaceable heating elements


The AH Pro-Performer has been designed for the most rugged and toughest of applications, also this product has been equipped with the most advanced water heating modulating technology.
Boasting a 3/4 inch inlet and outlet makes high flow applications a breeze.Using ASTM 304 Stainless Steel enclosure and heat exchangers ensures long lasting performance with no sediment build up, or rust.
We have also equipped it with a USB port in order for the contractor to be able to run a full diagnostics using the new IHEAT Software built into the micro-processor exclusive to IHeat tankless water heaters.
The IHEAT software will allow you to run a full diagnostics of the unit without having to open the unit, only a memory stick, and a laptop or tablet to insert for complete diagnostic report.

Installation Diagram


Warranty Information

5-Years on Heat Exchanger due to leaks / 3- Years on electrical Components / 1- Year heating elements

Additional information

Weight 19 lbs
Dimensions 6 × 19.50 × 19.50 in


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