مقبض الضبط De Dietrich 300007850

An adjustment knob is a simple yet essential control component for heating systems. It allows users to manually set or fine-tune settings on boilers, burners, or thermostats. This knob is often used as a replacement part in boiler spare parts and burner spare parts, providing a comfortable grip and precise adjustment. Whether for temperature control or other functions, it enhances usability and accessibility. Durable and easy to install, this knob is a practical addition to any boiler maintenance or repair project.