For nearly three decades, tekmar has been providing zoning and control solutions for a variety of heating and cooling applications. Products made by tekmar can improve the efficiency and comfort delivered by almost any system. The tekmar 374 Universal Reset Control allows you to maintain three separate water temperatures in a hydronic heating system. It can meet setpoint and DHW demands while controlling either two single-stage boilers or a single two-stage boiler. The 374 will also control up to two mixing devices, which may be floating action mixing valves or a variable speed pumps. The 374 Universal Reset Control is a versatile tool that streamlines the management of your system while making it more economical.
By monitoring system and outdoor temperatures, the tekmar 374 is able to make intelligent decisions about system operation. This includes adjusting supply temperatures based on outdoor conditions, adjusting mixing valve/pump operation to ensure correct water temperature, and providing boiler protection by monitoring and maintaining a minimum return water temperature. With the wide variety of operating modes and equipment it supports, the tekmar 374 is sure to make your system operate more efficiently, without sacrificing comfort.
Warm Weather Shutdown
A warm weather shut down temperature may be programmed to prevent your system from running when it in unnecessary or untenable.
Automates Boiler Differential
The tekmar 374 Universal Reset Control can automatically adjust your boiler differential to discourage short cycling.
Program Your Ideal Schedule
The 374 Universal Reset Control allows you to define time periods when your building is unoccupied and the water temperature may be reduced. This control supports the following setback schedule formats: 24 hours, seven day, and Saturday/Sunday/weekday. You may schedule two events per day.
When you are using the tekmar 374 Universal Reset Control with two boilers, it will take each boiler's cumulative run time into account when deciding which boiler will fire first. This prevents one of your boilers from being overused.
- (1) tekmar 374 Universal Reset Control
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- (1) tekmar 070 Outdoor Sensor