121-159

This high-quality Protector Relay Primary Control is a critical electrical component designed for residential and commercial HVAC systems, including furnaces and air handlers. It serves as a vital safety and operational link, managing the startup sequence of the system's motor and heating elements while providing essential overload protection. By monitoring electrical flow, this relay prevents damage caused by power surges or circuit faults, ensuring your heating and cooling equipment operates reliably. Ideal for professional repairs or routine maintenance, this primary control relay helps restore efficient performance to climate control systems, ensuring consistent temperature regulation and enhanced equipment longevity.
Type: Electrical Control / Protector Relay
Size: Standard electrical module
Application: Commonly used in furnaces, air handlers, and central HVAC units to regulate electrical cycles and protect against motor overheating or electrical failure.
Specifications: Primary sequence control, integrated thermal or current overload protection, durable contact points for high-cycle reliability, designed for standard HVAC control boards.