ideal for large-scale commercial facilities

Engineered with a single pole single throw (SPST) electrical configuration

including specific packaged rooftop air conditioners and split system air handlers

the Lennox 17H61 is rated for standard residential and commercial voltages

it manages the oil burner startup cycle

Tekmar Controls 261 Control 320788-703 ideal for large-scale commercial facilitiesThe 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