برغي لباب «Quadralis» من De Dietrich 300029702

The screw for Quadralis door is a specific fastener used to secure the door of Quadralis series boilers or burners. This screw ensures a tight and safe closure, preventing air leaks and maintaining proper operation. When performing maintenance or replacing worn hardware, using the correct screw is important for safety and fit. This spare part is designed to match the original specifications, making it a reliable choice for your repair needs.