121-670

This high-performance 24-volt heat sequencer relay is a vital electrical component designed for electric furnaces, air handlers, and HVAC heating systems. As a critical timing control, it manages the sequential activation and deactivation of heating elements and blower motors to prevent electrical surges and ensure consistent airflow. By staging the heating stages, this relay helps maintain optimal energy efficiency and protects your home's circuit breaker from tripping during startup. It is an ideal replacement part for HVAC systems experiencing issues with delayed heating, fan motor malfunctions, or inefficient temperature regulation. Built for durability and reliable thermal operation, this sequencer ensures your climate control system operates smoothly throughout the heating season.
Type: HVAC Heating Sequencer Relay
Size: Standard electrical component
Application: Used in electric furnaces, heat pump air handlers, and residential heating units to control the timing of heating elements and blower motor operation.
Specifications: 24-volt control circuit; thermal timing operation; multi-terminal connectivity; designed for heavy-duty HVAC applications.