Does this actuator require a spring return

or power interruptions

With an adjustable heat anticipator ranging from 0

this module incorporates a 1-hour lockout feature and integrated flame sensing

Carrier 321142-301 Disc 320074-702 Does this actuator require aThe Carrier 321142 301 Disc is a critical OEM replacement part designed for precision airflow management within specific Carrier and Bryant HVAC equipment. As a factory authorized part, this disc comb maintains the original equipments design specifications, ensuring exact tolerances that generic alternatives cannot replicate. Integrating this component into the assembly restores the intended dynamics of the fan motor assembly or blower housing,