Day: February 10, 2025

Last Updated on February 10, 2025 If your Viessmann boiler is displaying the F4 fault code, it means there is an issue preventing it from igniting properly. This can leave you without heating and hot water, which is especially frustrating during colder months.  In this guide, we’ll explain the causes of the Viessmann F4 fault…

Last Updated on February 10, 2025 If you own a Vaillant boiler and have encountered the F27 fault code, you’re not alone. This error indicates a flame detection issue, which can lead to your boiler shutting down for safety reasons.  Understanding what causes the F27 fault code and how to fix it can help you…

Last Updated on February 10, 2025 Navien boilers are known for their efficiency, reliability, and cutting-edge technology. However, like any heating system, they can sometimes run into issues. If your Navien boiler is displaying an error code, it’s crucial to understand what it means and how to fix it.  In this guide, we’ll walk you…