Instantaneous Type Water Heater DHB-21STi

Instantaneous Type Water Heater DHB-21STi

Stiebel Eltron

  • Product Details
  • Specification

Stiebel Eltron Instantaneous Type Water Heater DHB-21STi

The DHB STi thermotronic is an interesting entry into the comfort class. It offers the output of an advanced electronic instantaneous water heater at the cost price of a lower/middle segment product. Amongst its benefits are primarily its energy efficiency and the convenience of the pre-selected DHW temperature always being maintained. It prevents temperature fluctuations caused by output changes. As a result, the show…

  • Electronic safety system with air detection
  • Anti-scalding protection set to 43℃
  • Bare wire heating system
  • Hoseproof to IP25
  • Comfort Wired Remote control (optional)
  • *Compared hydraulic instantaneous water heaters; subject to pattern of use.

**“New Move-in” / “Switch from Gas to Electric” reward is not applicable to products purchased with Eco Points at special price.

New Move-In Offer

  • Enjoy $200 awards* upon purchasing Electric Water Heater (providing for bath use) or Twin Zone Induction Cookers or Twin Zone Infra-red Cookers/ Twin Zone Infra-red and Induction Cookers/ Single Zone IR (2kw or above) OR
  • Enjoy $100 awards* upon purchasing Single Zone Induction Cooker (2kw or above)

Gas Switching to Electric Offer

  • Enjoy $200 awards* purchasing Electric Water Heater (providing for bath use) or Twin Zone Induction Cookers or Twin Zone Infra-red Cookers/ Twin Zone Infra-red and Induction Cookers/ Single Zone IR (2kw or above).

The entire bonus reward will be credited to the applicant's account and can only be used solely for the purpose of settling CLP Power electricity bill. (Registration with valid documents required)

The offer is valid until 30th Jun 2021 and subject to Terms & Conditions.  Click Here for more details.


CLP staffs will contact the customers by phone for the confirmation of delivery date and installation service fee within 2 working days.

*Delivery service is restricted to specific areas only(except outlying islands). For details, please contact our Energy Efficiency (Product and Service) Hotline

Tel: 2678 2626

Office hours: Mon - Sat, 9:00 am - 6:00 pm (except Sundays and Public Holidays).


  • Type: Fully Electronic Control
  • Dimension(mm: width x depth x height ): 470 x 225 x 110
  • Temperature: 55℃
  • Pressure: Working: maximum 10 Pa
  • Starting volume: ≧3L
  • Protection level: IP25
  • Inlet size: 15mm(G1/2″)
  • Weight: 3.6kg
  • 2 years Warranty