Frequently Asked Questions

In this technical FAQ, you will find answers to frequently asked questions about the use, maintenance, and troubleshooting of boilers and instantaneous water heaters. The information is intended to help you recognize common situations and perform simple checks and repairs. With this help, you can do a lot yourself, even in the evenings or on weekends. Regular maintenance contributes to safe operation, a longer service life, and optimum efficiency of your boiler or instantaneous water heater. On the left-hand side, you will find general guidelines and practical tips for daily use and basic malfunctions. Please note: For complex maintenance work, repairs, or if you have any doubts about safety, we recommend that you always consult a certified installer or our technical customer service department. This will ensure that your appliance functions safely and reliably. Did you know? Correct installation is important for proper operation. Therefore, always read the installation manual or check the operating manual if the installed appliance is not working. More than 80% of the reasons why a product does not work can be solved with these FAQs. In most cases, disassembly and return shipping are not necessary, and you can usually quickly resume using your appliance. Good maintenance ensures that you can enjoy your device for longer and that temporary breakdowns and unexpected costs are avoided. Any parts you may need for maintenance and repair can be easily ordered on our website.