A wrong part was received. I reported the discrepancy, and the correct part was received 3 days later. This timely customer service.On 06/10/2024 by J. L. (verified customer)
A thermistor is a semiconductor that changes resistance with temperature changes (as the temperature goes up, the resistance goes down). Tstats and High-limits can be found on older spas and have the same functionality as the Hi-limit/Control Thermistors.