Delayed Response: The 30-second delay avoids nuisance shutdowns caused by surging water or air pockets in the system

Check the ground wire and flame rod for carbon buildup

oil heaters

Self-Powered Operation: Sensing circuitry is magnetically induced from the line

it includes a "lost motion" drive to protect the internal gear train from closing shock

Carrier P283-0340 Fan Relay L99H008 Delayed Response: The 30-second delayThe Carrier P283 0340 Fan Relay is a heavy duty, 2 pole HVAC relay engineered for precise switching of blower motors and fan circuits in residential and commercial equipment. This genuine OEM component features a 24V control coil, providing the dependable pull in and drop out performance required to maintain proper airflow and system sequencing. Designed specifically for Carrier HVAC systems, it serves as a direct technical cross reference for part