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  1. Home
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  5. Water heater Cooker IH
  6. Electric water heater expansion water drainage device blow catcher K drainage hopper

Electric water heater expansion water drainage device blow catcher K drainage hopper

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BCH-K Series

last updated:Mar 11, 2026

日本イトミック
日本イトミック
  • Official site

Blow catcher BCH-K series for easy handling of expansion water discharged from electric water heaters [open structure]

A type that uses a resin hose for drainage. It is open-type and provides a discharge space to more effectively prevent backflow into the electric water heater.

    Water heater Cooker IHDrainage material
BCH-1K_W.jpg

Electric water heater expansion water drainage device blow catcher K drainage hopper

BCH-1K_W.jpg
BCH-1K_W.jpg
  • Related Link - https://www.itomic.co.jp/category/drain_fittings/b…

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basic information

We have five types available through piping.

Price information

Suggested retail price: 16,500 yen (the escape hose set has a suggested retail price of 3,500 yen)

Price range

P2

Delivery Time

P2

Applications/Examples of results

We will deliver and have adopted electric water heaters for office building kitchens and restrooms as a set.

Detailed information

  • BCH-KSHIKUMI.jpg

    A mechanism to prevent backflow.

  • BCH-K取付け.jpg

    Construction method

  • BCHとは.jpg

    What is BCH?

Line up(7)

Model number overview
BCH-1K Wash basin (32mm cleaning pipe) S/P trap compatible
BCH-2K Sink (for PVC pipe 40A)
BCH-3K Sink (for steel pipe) 3/4B
BCH-4K Wash basin (25mm cleaning pipe) S/P trap compatible
BCH-5K Trap G2 × PVC pipe 40A, Trap G2 × Hose outlet G2
Adapter set for BCH-5K G1・G1/2 hose adapter set
Relief hose set Hose length 700mm + Mounting bracket set

catalog(1)

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Electric Water Heater Comprehensive Catalog 2025

Electric Water Heater Comprehensive Catalog 2025

CATALOG
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News about this product(2)

[Free Participation] Notice of Itomic Web Seminar to be Held on April 27 (Monday)

  • Other・notification

■Event Overview: Date and Time: April 27, 2026 (Monday) (1) 14:00 - (2) 16:00, approximately 1 hour Format: Online (Zoom) Participation Fee: Free ■Content: Basics of Electric Water Heaters (Beginner Level) Types and features of electric water heaters installed in non-residential buildings, ranging from small to large, various applications, installation locations, and basic structures (local and central, storage and instantaneous, closed and open). ■Recommended for: - Newcomers who are hearing about electric water heaters for the first time. ■Registration: https://forms.gle/U49ELmag2bCrKChu6

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A research and development facility, iTOMIC LABO, featuring an exhibition space where you can experience the latest electric water heaters, has opened in Sumida Ward, Tokyo!

  • Company news

iTOMIC Co., Ltd. (Headquarters: Sumida-ku, Tokyo; Representative: Hirofumi Moriya) will open the iTOMIC LABO, a research and development facility with a showroom where the latest electric water heating equipment can be demonstrated and experienced, in October 2024. At iTOMIC, we have focused on electric water heating, providing products and services based on safety and security, and have been dedicated to developing unique technologies and improving product performance. We are committed to the electrification of water heating and expanding empathy towards a sustainable society. To contribute to the realization of a low-carbon society, we will open the iTOMIC LABO, a new research and development facility, in Sumida-ku, known as the "town of manufacturing." In this new facility, in addition to experiencing the latest electric water heating equipment, we will also conduct various research and development and experiments tailored to our customers' individual needs. ◆ Facility Overview Facility Name: iTOMIC LABO Location: 1-30-10 Oshiage, Sumida-ku, Tokyo 131-0045

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Companynews list (3)

Company information

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.

Product/Service List (40)

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