Is this a direct replacement for older RBM Type 84 relays

It replaces older part numbers including 631690

Built from high-strength cast metal

preventing hazardous flue gas bypass and ensuring optimal static pressure for safe exhaust discharge

White-Rodgers ACM1000M-108 Air Cleaner Els PW 17895 Is this a direct replacementThe White Rodgers ACM1000M 108 is a high efficiency media air cleaner cabinet designed for residential and light commercial forced air heating and cooling systems. This unit is the direct replacement for the legacy ACM1000 model, offering a physical footprint of 16" x 20" and a rated airflow capacity of 1000 CFM. Built with a heavy gauge galvanized steel cabinet, it provides a rigid housing for the included MERV 8 media filter, effectively capturing