Vis de dérivation De Dietrich 721641800

The by-pass screw is a specialized fastener used in gas burner assemblies and boiler water/gas sections. It plays a role in adjusting the by-pass flow, which helps regulate pressure and flow rates within the system. Proper adjustment of the by-pass screw can improve combustion stability and overall system efficiency. This part is often needed during servicing or when replacing worn components in heating equipment.