allowing technicians to push

maintaining combustion safety without requiring manual intervention after cooling

Industrial-Grade Durability: Constructed from corrosion-resistant materials to ensure long-term stability in HVACR systems

and Carrier units using the TF5-830 voltage and phase configuration

Reznor 85449 Limit Switch allowing technicians to pushThe Reznor 85449 is a critical safety component designed for precise thermal regulation in commercial gas fired unit heaters and furnaces. This 140 200F Auto Limit Switch monitors internal air temperatures, functioning as a primary high limit safety by interrupting the burner circuit if the heat exchanger surpasses the 200F threshold. As an OEM replacement part, it ensures seamless compatibility with Reznor UDAP, UDAS, and UDX series heaters,