Elektrokessel DEFRO DBE Optima – 12 kW Warmwasserspeicher Thanks to PID control with ESBE Thanks to PID control with flue gas sensor Gas oder Ölkesseln sowie Wärmepumpen when properly installed The heat output is provided in three stages of 4 8 12 kW and can thus be adjusted in steps to match the heating demand
Ask which next step is appropriate if the available guidance is unclear. If the stated response period passes, follow the seller's published follow-up route.
Identify which details you can verify from the listing. Check whether a requirement depends on another item or arrangement.
Include the relevant order or inquiry reference when following up. Keep a record of when you contacted the seller and what you requested.