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  6. Electric Boiler ES-K Series

Electric Boiler ES-K Series

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ES-K

last updated:Mar 11, 2026

日本イトミック
日本イトミック
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Electric water heater boiler designed with a focus on heating capacity, equipped with a high-capacity heater.

A product concept that prioritizes heating capacity, optimized for large-capacity circulation heating. It is designed to rapidly heat water by equipping a large-capacity heater and minimizing the storage tank capacity. Since it can generate heat equivalent to that of a combustion boiler, it is suitable for replacing combustion boilers, heating applications, situations where hot water is needed in a short time, and cases where there is not enough space to install a large tank.

    Refrigeration units, boilers, cooling towers
ES-K.jpg

Electric Boiler ES-K Series

ES-K.jpg
ES-K.jpg
  • Related Link - https://www.itomic.co.jp/category/es_k_series/

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basic information

The heating capacity ranges from 30kW to 500kW as standard. Additionally, pressure vessels can be manufactured to operate at pressures from 0.1MPa to 1MPa, allowing us to accommodate inquiries regarding replacements from existing heat sources. The ES-K series will be customized according to the installation location and usage conditions. Please feel free to consult us about any specifications, including the selection of pipe diameters, interlocking with circulation pumps, and alarms to a central monitoring panel. *Please inquire about capacities over 500kW as well.

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Delivery Time

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Applications/Examples of results

In facilities equipped with warm water heating, when there is a need for backup heat sources such as chillers and to quickly store hot water in a large capacity tank, it can be used as the heat source itself, among other applications.

Detailed information

  • 001_温水暖房.jpg

    Supplementary heat sources for warm water heating, etc. You can also use large-capacity tank warm water heating in combination with chillers as a supplementary heat source.

  • 002_タンク循環.jpg

    Heat source for large capacity tanks This product can be used as a heat source for large capacity tanks based on the required heat quantity.

  • 003_コンパクト.jpg

    If sufficient installation space cannot be secured, this product, which prioritizes heating capacity, has minimized storage volume, allowing it to be manufactured in a compact size even in limited boiler installation locations.

  • 外装?.jpg

    【Production Example】 ES-180K (Power Specification: Three-phase 200V 180kW) Specification No: SK10014005 Maximum Operating Pressure 0.2MPa, Heat Generation 648MJ/h, Storage Capacity 1,105 liters 【Delivery Site】 Certain Building, Boiler Room (Tokyo) 【Custom Specification Details】 Four types of individual alarm lights, operation display terminal, four types of collective alarm terminal, pump interlock terminal DC24V, relay remote stop terminal, external step controller power terminal, external step controller control input terminal

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Electric Water Heater Comprehensive Catalog 2025

Electric Water Heater Comprehensive Catalog 2025

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日本イトミック

日本イトミック

Building materials, supplies and fixtures manufacturers

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Does your company not have a break room? The water heater used there might be one of our products. We, Japan Itomic, have been dedicated to the research and development of water heaters for over 70 years since our founding. Initially, we were a manufacturer dealing with gas water heaters, but one day, we heard during a business meeting that "the water in a pot cools down," which led us to start developing electric water heaters. We have received recognition for their superior safety and convenience compared to gas water heaters, earning the trust of various industries and organizations. At Japan Itomic, professionals who are well-versed in water heating propose the most suitable water heating systems for every situation. From product development to manufacturing, sales, after-sales service, and replacement installation, we provide a one-stop solution, delivering a safe and comfortable environment with "warm water." 【Itomic Product Support】~For long-lasting use~ Japan Itomic, specializing in commercial electric water heaters, offers reliable after-sales service 24 hours a day, 365 days a year to respond to sudden equipment failures during operations. Additionally, to ensure that customers can use our water heating solutions with peace of mind for a long time, we provide a three-year warranty on electric water heaters and commercial eco-cute systems.

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