www.pmmag.com/articles/88599-tekmar-universal-reset-control
tekmar Universal Reset Control
July 15, 2003

The 374 from tekmar Control Systems is capable of controlling two mixing reset, a DHW load, a setpoint load and two boiler stages. The 374 also can be set up to operate with a tekmar boiler staging control for systems that have more than two boiler stages.
Circle 5