Central Boiler E-Classics Thermocouple Universal Kit #2500582
Universal replacement thermocouple for reaction chamber on E-Classic 1400/1450,
2300, 2400, 3200/3250 models and Classic Edge 300/350, 550, 750 models.
Classic Edge models will have serial number starting with G, GS, or
GF. Not all components will be used for every installation.