Tekmar Controls 261 Control 326058-758 Most failures result from a

Most failures result from a downstream short circuit in the contactor coil or thermostat wiring

this Weil McLain 511-330-085 is the processing module itself

Precision Control: The high-quality bellows mechanism provides repeatable accuracy over thousands of cycles

Key Benefits Direct Compatibility: Engineered as the precise 91909684 replacement for 91868262

Tekmar Controls 261 Control 326058-758 Most failures result from aThe 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