Vaillant boiler servicing

https://myvaillantboilerrepairtalk.ironwoodscope.com/posts/common-issues-and-tips-for-vaillant-boiler-repair

Just had our Vaillant boiler serviced—took about an hour, the engineer checked the pressure, cleaned the burner, and made sure the flue was clear. It's been running quietly ever since, and the annual inspection gives me peace of mind before the cold weather hits.