The Hatco 02.01.204.00 Temperature/Level Thermister Probe supports accurate monitoring of temperature and liquid levels in commercial kitchen equipment. This component works by detecting changes in heat and fluid presence, sending precise signals to the control system to help regulate operation during heating and holding cycles. The 3/8" MPT stuffing box allows for secure installation... https://www.partsfe.co.uk/hatco-02-01-204-00-temperature-level-thermister-probe-with-3-8-mpt-stuffing-box