---
product_id: 55419033
title: "AHS18-D 240V 75A 18KW Stainless Steel Enclosure 3/4\" MIP 16\" by 13.5\" by 3.5\" Electric Water Heater, 13.7 lb"
brand: "iheat tankless"
price: "¥179970"
currency: JPY
in_stock: true
reviews_count: 8
category: "I Heat Tankless"
url: https://www.desertcart.jp/products/55419033-ahs18-d-240v-75a-18kw-stainless-steel-enclosure-3-4
store_origin: JP
region: Japan
---

# 18KW Power Output 75A Amperage Capacity 304 Stainless Steel Durability AHS18-D 240V 75A 18KW Stainless Steel Enclosure 3/4" MIP 16" by 13.5" by 3.5" Electric Water Heater, 13.7 lb

**Brand:** iheat tankless
**Price:** ¥179970
**Availability:** ✅ In Stock

## Summary

> 🔥 Power Your Home with Precision & Efficiency!

## Quick Answers

- **What is this?** AHS18-D 240V 75A 18KW Stainless Steel Enclosure 3/4" MIP 16" by 13.5" by 3.5" Electric Water Heater, 13.7 lb by iheat tankless
- **How much does it cost?** ¥179970 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/55419033-ahs18-d-240v-75a-18kw-stainless-steel-enclosure-3-4)

## Best For

- iheat tankless enthusiasts

## Why This Product

- Trusted iheat tankless brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **99% Energy Efficiency:** Slash your water heating bills by up to 25% while reducing your carbon footprint.
- • **Robust 3/4" Inlet & Outlet:** Supports high flow rates effortlessly, perfect for complex plumbing setups.
- • **Unmatched 18KW Heating Power:** Delivers rapid, consistent hot water for multi-bathroom homes without compromise.
- • **Precision Real-Time Sensor Control:** Adjusts 60x per second for flawless temperature and energy efficiency.
- • **Premium 304 Stainless Steel Enclosure:** Resists rust and sediment buildup for long-lasting, maintenance-free performance.

## Overview

The iHeat Tankless AHS18-D is a high-capacity 18KW electric water heater designed for multi-bathroom homes, especially in warmer climates. Featuring advanced sensor technology that monitors and adjusts heating 60 times per second, it ensures optimal performance and energy savings. Its durable 304 stainless steel enclosure prevents rust and sediment buildup, while the 3/4" inlet/outlet supports high flow applications. With 99% energy efficiency, it offers significant cost savings and reliable hot water on demand.

## Description

The heat pro-performer AHS18-D is built for applications with more than 1 bathroom in the southern States where the incoming water temperatures no lower than 65 degree F and can be used for 1-1/2 bathroom in the colder climates where the incoming water temperature is above 45 degree F. Because the heat pro-performer continuously monitors all real time data collected 60 times a second through a range of sensors. It automatically adjusts to any application you may have, for example floor heating, multiple units in series and recirculation configurations. The heat pro-performer boasts a 3/4 in. Inlet and outlet which makes it a breeze for high flow applications. Using astm 304 stainless steel enclosure and heat exchangers ensures long lasting performance with no sediment build up or rust.

Review: Excellent Water Heater - Water heater arrived to my home fast. Works great! I bought this to replace the identical water heater in my home. I have well water so I like to replace my water heater every few years. Installation was easy.
Review: Bueno - Excelente 👌

## Features

- The heat pro-performer AHS18-D is built for applications with more than 1 bathroom in the southern states where the incoming water temperatures no lower than 65 degrees F
- Because the heat pro-performer continuously monitors all real time data collected 60 times a second through a range of sensors
- It automatically adjusts to any application you may have, for example floor heating, multiple units in series and recirculation configurations
- The heat pro-performer boasts a 3/4 in. Inlet and outlet which makes it a breeze for high flow applications
- Heat electric tank less water heaters are 99% energy efficient which can translate to saving 10-25% on your water heating bills

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GOY8X00 |
| Amperage Capacity | 75 Amps |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #788,901 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,044 in Water Heaters |
| Brand | iHeat Tankless |
| Certification | Low-lead Compliant |
| Color | Steel |
| Customer Reviews | 4.3 4.3 out of 5 stars (52) |
| Date First Available | November 7, 2013 |
| Efficiency | 99% |
| Global Trade Identification Number | 00857997005118 |
| Heat Output | 61458.55 British Thermal Units |
| Included Components | iHeat Electric Tankless Water Heater Model No. AHS18-D |
| Installation Method | Wall-Mounted |
| Is Discontinued By Manufacturer | No |
| Is Electric | Yes |
| Item Package Quantity | 1 |
| Item Weight | 13.7 pounds |
| Item model number | -P |
| Manufacturer | iHeat Tankless |
| Maximum Operating Pressure | 150 Pound per Square Inch |
| Maximum Temperature | 65 Degrees Fahrenheit |
| Mounting Type | Wall |
| Number of Handles | 1 |
| Part Number | AHS18-D |
| Product Dimensions | 13.5"W x 16"H |
| Shape | Rectangular |
| Size | 18 KW |
| Special Feature | Advanced Digital Temp Control, High Flow Applications Capability, Automatic Adjustment to Various Applications, Stainless Steel Enclosure, Incredible Heating Capacity |
| Special Features | Advanced Digital Temp Control, High Flow Applications Capability, Automatic Adjustment to Various Applications, Stainless Steel Enclosure, Incredible Heating Capacity |
| Style | Indoor Installation |
| UPC | 857997005118 753182637204 |
| Voltage | 240 Volts |
| Warranty Description | 1 yr Elements limited 3-Year Components 5-yr leaks |
| Wattage | 18000 watts |

## Product Details

- **Brand:** iHeat Tankless
- **Capacity:** 4 Gallons
- **Power Source:** Corded Electric
- **Product Dimensions:** 13.5"W x 16"H

## Images

![AHS18-D 240V 75A 18KW Stainless Steel Enclosure 3/4" MIP 16" by 13.5" by 3.5" Electric Water Heater, 13.7 lb - Image 1](https://m.media-amazon.com/images/I/61mSDD0W0YL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent Water Heater
*by M***D on March 12, 2022*

Water heater arrived to my home fast. Works great! I bought this to replace the identical water heater in my home. I have well water so I like to replace my water heater every few years. Installation was easy.

### ⭐⭐⭐⭐⭐ Bueno
*by L***A on June 25, 2025*

Excelente 👌

### ⭐⭐⭐⭐ Good warranty service
*by E***E on April 13, 2021*

One of the elements went out but warranty fixed it on the same day can you Believe that. The place is here in Miami went by and pick it back up same day... wow

## Frequently Bought Together

- iHeat Tankless AHS18-D 240V 75A 18KW Stainless Steel Enclosure 3/4" MIP 16" by 13.5" by 3.5" Electric Water Heater, 13.7 lb
- 1/2" Pex Fittings, SUNGATOR 1/2 Pex Female Adapter, PEX 1/2" x 1/2" NPT Female Threaded Adapter, 1/2" Pex to 1/2" Female NPT, No Lead Brass 1/2" Pex Fittiings Set, ASTM F1807(6 Pack)
- Liberty Pumps 405 Commercial 1/2 HP Drain Pump

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**Shop now:** [https://www.desertcart.jp/products/55419033-ahs18-d-240v-75a-18kw-stainless-steel-enclosure-3-4](https://www.desertcart.jp/products/55419033-ahs18-d-240v-75a-18kw-stainless-steel-enclosure-3-4)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-11*