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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
this relay is rated for 1/3 HP at 120Vac
By replacing an obsolete or damaged 48TMHSRAY-A00 unit
offering versatility for various setups
This heavy-duty replacement powerhead is essential for maintaining hydronic heating systems
For technicians managing combustion analysis
Tekmar Controls 261 Control 322838-753 this relay is rated forThe 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