ensuring consistent high-efficiency heating performance

000 AFC (Available Fault Current) safety rating and non-PCB oil

Wide Fuel Compatibility: Suitable for multi-gas environments

ensuring leak-free joints under mechanical stress

Marley Engineered Products 4520-0011-000 Limit Switch ensuring consistent high-efficiency heating performanceThe Marley Engineered Products 4520 0011 000 Limit Switch is a high precision 300F CU AUTO limit switch engineered for critical thermal protection in industrial and commercial heating applications. As a veteran grade HVAC replacement part, this linear limit protector features an automatic reset mechanism that triggers at a 300F threshold to prevent equipment overheating and potential component failure. The 4520 0011 000 is built with a rugged copper