Lals 04 Best

A LALS 04 initiating event occurs when the normal heat sink is lost (e.g., loss of main feedwater) and subsequent demands on active backup systems fail due to hardware faults, human error, or common-cause failures (CCF).

The SE model suffers from parts scarcity—if a proprietary SE component fails, replacements are nearly impossible to find. The MKII uses currently available, high-grade standard components. User reports show a 0.3% failure rate over three years, compared to 1.2% for the Base and 2.1% for the SE (often due to custom parts). lals 04 best