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iE6
Electron Series

THE WORLD'S FIRST TANKLESS HEAT PUMP WATER HEATER

Embrace electrification with the world’s first tankless heat pump water heater. The iE6 is a modular tankless heat pump water heater which pairs with up to 4 thermal batteries (Electron iB3) to deliver large volumes of hot water efficiently. 

With guaranteed sizing, better cold-weather performance, and a revolutionarily modular plug-and-play design, the iE6 is your best bet for a future-proof commercial water heating system.

COMING IN 2025

Technical Documents

iE6 Key Features:

1

Safe & Healthy

Mitigates Legionella risk with its on-demand design.

2

Economical

Stores and uses power when it's most cost effective.

3

Robust

Commercial-grade expandable 316L stainless steel heat exchanger.

iE6 img

The Future Awaits

Embrace Electrification

Switching to a tankless heat pump water heater is better for the planet. But also for your facility’s energy bills.

Will the Electron series require mixing valves?

No, mixing valves will not be required. The Electron series water heaters will be ASSE – 1082 compliant. The ASSE-1082 standard equates Electron Series Tankless Heaters to thermostatic mixing valves and temperature-limiting devices. Also, the Electron can control water temperature within the tolerances of ASSE 1017 / 1071 standards, and thus, no mixing valves when using Electron units.

How do you repair the unit, and where do we get CO2 replacement in case of a leak?

The Electron series has a modular design to facilitate fast service and enable customers to run their businesses efficiently. The Heat Pump Units (HPU) on Electron Series are designed to be easily swapped with a reconditioned HPU unit. Just two fluid connections and two wiring connections are all that need to be made. There is no field repair, refill of CO2, or handling of high pressures required in the field. The faulty HPU can be sent to an authorized Intellihot service center, where it will be repaired under a controlled and non-emergency environment.

What will the heat pump water heater warranty be?

Electron products are built to last and feature a robust modular design. All parts, including the compressor, are warrantied for one year, and the thermal battery and on-demand heat exchanger are warrantied for three years. All warranties are from the date of commissioning.

What is the heating capacity of the Electron, Tankless heat pump water heater?

Model iE1 with the integrated Thermal Battery has a maximum heating output of 90,000 BTU/h. Model iE6, the modular unit, has a heating capacity of up to 300,000 Btu/h. However, it may be paired with four thermal batteries, bringing its total heating capacity up to 800,000 Btu/h.

What is the airflow requirement for the Electron tankless heat pump water heater?

Model iE1 has an airflow requirement of 3,500 CFM and can be installed indoors or outdoors. Model iE6 has an airflow requirement of 21,000 CFM high and should be installed outdoors only

What is wireless cascading, and how far can you cascade?

We have developed a simple and easy way to cascade multiple units without running wires. This is achieved through a Bluetooth connection like those in smartphones. Units have a maximum communication distance of 50 ft, and it is recommended to have a direct line of sight without any metal obstructions.

What is the typical maintenance on Intellihot's tankless heat pump water heaters?

The Electron series is designed for long life and low maintenance. Only one item needs to be serviced at internals indicated by “maintenance alert” on the display. This is the Wye strainer which prevents large debris in the water supply from entering the unit. The unit has sophisticated prognostics capability, and the life of critical components is shown on the “Life Screen .”It provides guidance for when these parts should be changed.  

What is the life of the heat pump thermal battery, and are there any safety or disposal issues to be aware of?

The Thermal Battery is designed to last a lifetime under normal wear and tear. The battery is designed with high-grade stainless-steel components and factory-supplied food-grade propylene glycol. This food-grade glycol can be safely disposed of in a regular drain. The Thermal Battery can be sent to a typical metal recycling facility. Non-biodegradable glycol, especially ethylene glycol (e.g., automotive grade) or non-Intellihot supplied formulations, should never be used to charge the Thermal Battery. Doing so may cause irreparable damage and bodily harm, including death.

How is glycol concentration addressed in different parts of the country?

Each location in the county could have a different minimum ambient temperature. Thus, the Thermal Battery can accommodate various concentrations of propylene glycol. The Thermal Battery has a Glycol Concentration Sensor built-in which, in correlation with the zip code of the installation, verifies the concentration specific to that location. If inadequate, a message will pop up on the display. When a unit is ordered for drop shipment, the appropriate volume of glycol will be prefilled at the factory based on the zip code. The cost for this will be billed separately. In addition, glycol kits will also be available for purchase for use in the field.

What is the power requirement of Intellihot's CO2 heat pump water heaters?

Model iE1 runs on a single phase 208V AC with a maximum current draw of 75A. A dedicated 90-ampere breaker is required for this model. Model iE6 runs on a three-phase 208V AC with a maximum current draw of 75A. Three separate but dedicated 90-ampere breakers are necessary for this model. Model iB3 (modular thermal battery) runs on a three-phase 208V AC with a maximum current draw of 75A. Three separate but dedicated 90-ampere breakers are required for this model.

Is there freeze protection for the Electron Series?

The inside components of Models iE1 and iE6 are freeze protected. When the model iE1 is installed outdoors, the external domestic water lines should be appropriately insulated and heat traced.

How does your leak sensor work, and what do you monitor?

The iE1 and the iB3 have a patented leaking sensor built-in. This leak sensor distinguishes between a glycol leak and a domestic water leak and drives appropriate control action. For example, if there is a domestic water leak, then the unit will automatically shut down the water inlet to the unit. If there is a glycol leak, then the unit will shut down. Warnings and notifications are sent via the telliCare app.

What makes Intellihot's tankless CO2 heat pump water heater better, and how does it mitigate Legionella risks?

Typical heat pumps use storage tanks and deliberately keep the domestic water stratified at various temperatures. Stratification is needed to enable the heat pumps to operate efficiently. Stagnation and water temperature being in the growth range of Legionella pose a substantial risk. The Electron series does not store any water, heats on-demand, and has water velocities that are 400 times higher than a tank, thus mitigating biofilm formation and reproduction of Legionella bacteria. This results in good, safe, clean, and efficient hot water.