iN199 Neuron

The latest addition to the Neuron line was specifically designed to be drop-in ready for all tankless water heaters using Natural Gas or Propane that utilize a 120-gallon tank. Intellihot’s iN199 will save commercial properties up to 40% per year on their energy bills and reduce greenhouse gas emissions by 40%. The iN199 is the perfect tankless solution for commercial properties that want reliable hot water at an affordable price with no tank to maintain.

System installation is faster, easier, and less expensive than traditional tank-type water heaters. See Head to Head Data


The iN199A Neuron is ASME-certified: offering the same convenience of a drop-in tankless water heater with added peace of mind regarding the unit’s safety and quality. 

iN199 First Time Installer Gift Card Offer

We are so confident that you will love the ease of installation, lightweight design, and availability of the iN199… that we will pay you to give it a try!

iN199 Features:

199,950 BTU/hr.
Flexible-Floating Design, stress-relieving and thermal shock resistant
Multi-Unit – Masterless cascading with common venting
Gas Pressures – Operates on gas pressure range of 2.5″- 14″ w.c.
7″ Color Touch Screen – access to real-time critical data, troubleshooting, parts wear and more
Direct Cell-LTE Connectivity (Monitored 24/7 for FREE for 2 Years)
Designed and Built in the U.S.
Quick ship from our factory to your warehouse or job site!
Weight: 266lbs.

ASME Certified: iN199A sports the above features as well as an ASME certification


Drop-In Placement

With similarly located water in and out for easy hook up, replace typical tank units in a flash.


Direct Cell-LTE Connectivity

Remotely access and monitor, no need for your building’s Wi-Fi.


Mitigate Legionella Risk

With no storage tanks there’s less risk for Legionella growth.

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telliSize is an app specially designed for contractors and service providers to provide quick size and quotations for water heater related requirements of your clients projects. This app is designed to revolutionize the idea of selecting the right water heater for home or industrial use. By entering simple measurements and the number of units in your target site, you can get the exact water heater requirements within minutes. This includes an email with detailed schematics.