Tekmar® 374 Reset Control, NTC Thermistor Sensor, 115 VAC, PVC, Blue

The universal reset control 374 is designed to operate all of the mechanical equipment in a residential hydronic heating system. It can be used in applications ranging from a single zone of baseboard with an on/off boiler to multiple fan coils, low temperature staple up zones, low temperature in-slab Radiant™ zones, domestic hot water and 2 on/off boilers. It regulates up to three space heating water temperatures through outdoor temperature reset. It is capable of controlling up to 2 on/off boilers, up to 2 mixing devices (either variable speed pumps or floating action mixing valves) and domestic hot water or set point loads.

Tekmar® Reset Control, 115 VAC, 1750 VA, NTC Thermistor Sensor, NEMA 1 Enclosure, PVC, Blue, 77 deg F, 6-5/8 in H x 7-9/16 in W x 2-13/16 in D

• DHW pump or valve operation, DHW priority
• Three outdoor temperature reset controlled water temperatures, control up to 2 on/off boilers
• Equal run time rotation, 2X variable speed pump outputs or 2X floating action mixing outputs
• Quick setup for easy installation, user comfort adjustment to increase or decrease building space temperature
• Boiler load reset, automatic boiler differential
• Outdoor temperature reset, warm weather shut down
• Advanced settings to fine tune building requirements, test sequence to ensure proper operation
• Powered boiler system and mixing system pump outputs, exercising

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/Tekmar_374_Catalog.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Tekmar_374_Specification_Sheet.pdf