Before winter: get your boiler serviced
Dereli Teknik Combi boiler service

In Kocaeli and İzmit

Services

We handle servicing, repair and installation of gas combi boilers, all from a single service. Choose a service to see the details.

İlhan speaks only Turkish. Write to us in English on WhatsApp: he reads your message and replies with a translation app.

  • Boiler repair

    Boilers that won't ignite, don't heat, keep locking out, lose water pressure or show an error code on the display.

  • Boiler service

    Annual service: burner and heat exchanger cleaning, gas and water leak checks, pressure adjustment, testing of the safety parts.

  • Radiator cleaning

    Machine cleaning and a system check for radiators that don't heat up or stay partly cold.

  • Boiler installation

    New boiler installation, moving a boiler and room thermostat installation; flue and pipe connections made in line with regulations.

The same rules for every job

  • We find the fault on site and tell you the price before we start.
  • We never start work without your approval.
  • We show you the replaced part, and we don't replace parts unnecessarily.
  • We give a 1-year guarantee on our workmanship.
  • We are an independent service; we work on all combi boiler brands.

Message us on WhatsApp

Just tell us your boiler's brand and the problem. İlhan speaks only Turkish: write in English and he replies using a translation app. From a photo of the display or the error code we can often tell roughly what the fault is.

Phone (Turkish only): +90 535 255 88 00

  • Your contactİlhan Dereli (speaks Turkish)

  • Emaililhan@dereliteknik.com

  • Working hoursWeekdays 08:00⁠–⁠20:00
    Saturday 09:00⁠–⁠18:00

  • AreaAll of Kocaeli, at your home

Message on WhatsApp