This Burnham Commercial Probe is a crucial component designed for use in various heating systems. It features a 3/4 inch National Pipe Thread (NPT) fitting, which is a standard in the industry for ensuring secure and leak-free connections. The probe's primary function is to monitor temperature or pressure changes within the system, providing accurate readings that are essential for maintaining optimal performance and safety. Constructed from durable materials, it can withstand high temperatures and pressures typically encountered in commercial heating applications. The Burnham Commercial Probe is compatible with a range of Burnham heating systems, making it a versatile component for maintenance or replacement needs.