this fuse is the primary safeguard for the integrated boiler control (IBC)

Linear Actuation: Calibrated internal logic ensures stages activate at methodically spaced intervals to reduce energy consumption and equipment wear

or dampers

NEMA 4X & IP66/67/68 Protection: Rugged

Technicians should look for restricted flow

Hubbell Industrial Controls 47AB10BD Relay 321894-708 this fuse is the primaryThe Hubbell Industrial Controls 47AB10BD Relay is a heavy duty alternating relay designed for duplex pump and motor control systems. Operating on a coil voltage of 200 208V AC, this 1 SPDT (Single Pole Double Throw) component ensures equal wear across load devices by toggling the sequence of operation. Built for industrial environments, the 47AB10BD provides reliable electromagnetic switching in control panels where alternating two loads is critical