You should never bypass or increase the temperature rating of a limit switch

While it features a corrosion-resistant shaft

this is a model-specific Weil McLain 383-500-619 assembly

Common Technician Questions: What is the maximum differential pressure for the VS2417

the L270F limit switch has likely tripped due to excessive internal temperatures

KMC Controls MCP-8031-8101 Actuator Els PW 17895 You should never bypass orThe KMC Controls MCP 8031 8101 is a heavy duty pneumatic damper actuator designed for reliable modulation of VAV terminals, ductwork, and small dampers in commercial HVAC systems. This model is a direct replacement for M693 8095 and M693 8095 1, offering a 1 11 16 inch stroke and a 4 to 8 PSI spring range. Engineered with a rugged metal body, it is fully compliant for installation in ceiling plenum environments where nonmetallic components are