The AllPoints Foodservice Parts & Supplies 441360 Water Level Probe is designed for precise water level measurement in various applications. With a 2-1/2" outer diameter and a 2-1/16" length under a 3/8" MPT threaded nut, this probe ensures a secure fit. The 7/16" exposed probe allows for accurate readings, while the overall length of 4-1/8" makes it suitable for a range of equipment. Compatible with Groen models Hy5E, Hy3E, and Hy6G, this probe is an essential component for maintaining optimal water levels in foodservice operations.