QTI’s IP68 Pool and Spa Series of parts combines a highly stable precision thermistor encapsulated with an extremely durable waterproof housing. The probe is ideal for pool and spa applications that require sensors at an IP68 waterproof rating. The temperature sensor offers excellent performance during harsh freeze thaw cycles. QTIP68 overmolded probes are a great solution where waterproof and moisture resistance is critical to corrosion prevention.