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The Thermistor Assembly Hi-Limit for IQ2000 systems is a critical safety component for HotSpring spa pools. Designed to monitor water temperature and prevent overheating, this hi-limit thermistor helps protect your spa’s heater and control system.
If your spa is showing hi-limit errors or shutting down unexpectedly, replacing the thermistor may restore safe, reliable operation. This genuine replacement part is compatible with IQ2000 control systems used in many pre-2002 HotSpring spa models.
Genuine Watkins replacement part
Ensures accurate high-limit temperature detection
Pre-wired with plug for easy installation
Compatible with IQ2000 systems
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