Quick Reaction & immediate Calibration: Equipped with sensitive thermistors that rapidly identify temperature variations, transmitting data to the control mechanism Consistent Temperature Tracking: Contains thermal materials with ±32.9°F measurement capability to monitor boiler water temperature changes continuously Exact Fit & Replacement: Designed for select coffee machines, this temperature component (model 64849) works with multiple series including S9, XS90, 500 and more Robust & Efficient Construction: Built using and impermeable materials for extended service life in demanding conditions Delivers consistent execution without measurement deviations while reducing power consumption, cutting overall machine energy requirements and maintenance needs Compact Size & Effortless Installation: Small footprint allows placement in cramped coffee maker areas