Hublot de visualisation Viessmann 7819816

Viessmann sight glass (art. 7819816) is an original spare part for wall-mounted gas boilers Viessmann Vitodens 100-W and Vitogas 100-F. Made of heat-resistant glass, it provides visual control of the combustion process, allowing timely detection of faults. Suitable for models WH1B, WH1D, WB1B, WB1C and others. Easy to install and replace, ensuring reliable and safe boiler operation. Recommended for replacing damaged or worn glasses, ensuring long-term operation of heating equipment.