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as a cast iron sheave
Most failures result from a downstream short circuit in the contactor coil or thermostat wiring
High Tolerance for Misalignment: Designed to handle minor sheave imperfections better than cogged belts
000 to over 240
Key Benefits Direct Compatibility: Engineered as the precise 91909684 replacement for 91868262
Tekmar Controls 261 Control 326058-758 as a cast iron sheaveThe Tekmar Controls 261 Control is a reliable, microprocessor based 120Vac two stage boiler control designed for precise outdoor reset or setpoint operation. High performance hydronic systems rely on the 261 to manage boiler staging and equal run time rotation, ensuring balanced wear across multiple heat sources. By utilizing a characterized heating curve, this controller maintains a tight boiler target temperature based on real time ambient
