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This OEM replacement limit switch operates as a normally closed (NC) disc-style switch
As a Type II 10K thermistor
the transformer must be replaced
This OEM replacement part is essential for maintaining the safety sequence of operation in commercial gas-fired heaters and industrial unit heaters
Nordyne 626434R Limit Switch This OEM replacement limit switchThe Nordyne 626434R is a critical HVAC replacement part designed for pinpoint temperature regulation in furnace systems. As an OEM limit switch, this component is engineered to monitor high temperature operations, specifically featuring a 160 180F auto limit switch range. This furnace limit control operates on an "open on rise" switch action, meaning it breaks the circuit when the internal temperature hits 180? F (82? C) to prevent plenum overheating
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