Is this fuse a "rejection" type

Contractor Friendly: Pre-stripped 8-inch color-coded leads simplify field wiring and reduce labor time

This microprocessor-based unit utilizes standard 24 VAC input and features a fixed 30-second pre-purge period followed by a 4-second trial-for-ignition (TFI) to ensure safe and efficient combustion

you must use a switch that matches the OEM temperature specifications (190-220F) to ensure the system operates within its design parameters

Specifically calibrated with an L160-20F specification

Conbraco 18C-512-8-150 Valve 321894-709 Is this fuse a "rejection"The Conbraco 18C 512 8 150 is a high capacity commercial temperature and pressure relief valve designed for the rigorous demands of large scale hot water storage tanks and boiler systems. Featuring a 3 4 inch FNPT inlet and a 3 4 inch FNPT outlet, this bronze bodied safety device is engineered to provide critical overpressure protection. It is factory set to discharge at 150 PSI and 210F, boasting an impressive ASME Section IV certified capacity of