this part represents the standard in "cut-and-dry" safety switch replacement

terminal 2 to the start winding (back-EMF sensing)

protecting equipment from overheating and ensuring peak operational efficiency in demanding environments ranging from -40 to 167 degrees Fahrenheit

this part is engineered for precision fitment within Reznor unit heaters and air handlers

Utica-Dunkirk 14662313 Aquastat 30067439-890 this part represents the standardThe Utica Dunkirk 14662313 Aquastat is a mission critical single pole double throw (SPDT) immersion controller designed for precise hydronic temperature regulation. This 65 200F capillary aquastat functions as a high limit, low limit, or circulator controller, providing essential boiler safety control and system efficiency. Engineered for Utica and Dunkirk boiler assemblies, it features a liquid filled sensing element that responds rapidly to