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 Compact Size & Effortless Installation: Small footprint allows placement in cramped coffee maker areas 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