Weil McLain 383-500-604 Fuses providing a direct fit without

providing a direct fit without the need for field modifications

Precision Control: Maintains steady valve positioning by resisting external forces and fluctuations in piping pressure

meaning it will restore the circuit once the sensed temperature rises to the 58°F close setpoint

Critical Safety Integration: Monitors inducer blower vacuum to verify the integrity of the heat exchanger and venting system

Weil McLain 383-500-604 Fuses providing a direct fit withoutThe Weil McLain 383 500 604 is a critical 12A slow blow fuse designed specifically for the protection of advanced control modules in condensing gas boilers. For service technicians troubleshooting a blank display or a non responsive Ultra U Control module, these high amperage glass fuses are the standard requirement to safeguard line voltage circuits against transient surges without premature tripping. Unlike standard fast acting alternatives, the