Nut 3 / 4» De Dietrich 300002998

This 3/4-inch nut is a standard fastener used in plumbing and heating applications to secure connections on pipes, valves, and fittings. Made to fit 3/4-inch threaded components, it is commonly employed in boiler and burner installations where reliable sealing and joint integrity are critical. Whether you are assembling a new system or replacing worn hardware, having the correct size nut ensures a tight, leak-free connection. This nut is typically used with corresponding bolts or studs and is an essential spare part for maintenance and repair tasks in heating equipment.