Centralina di controllo Honeywell RA890F1304

Honeywell RA890F1304 - flame safeguard relay provides protection for industrial and commercial single or dual fuel burners. It mounts and is easily removed using mounting screws. The mounting base is made of durable thermoplastic. Honeywell RA890 F 1304 uses the rectification principle of electronic flame detection. RA890F 1304 recycles if the flame signal is lost during startup. Safe-start check prevents startup if a flame failure occurs in the flame detection circuit. Includes SPDT alarm contacts.