KMC Controls MCP-0205 Actuator 30067439-890 or the furnace control board

or the furnace control board flashing a pressure switch lockout code

Rated for up to 600 VAC

The durable aluminum construction is designed for high-demand 1725 RPM or 1075 RPM environments

Standard NPT Threading: Features a precision-threaded fitting for a leak-proof seal and straightforward installation in the boiler piping or dedicated LWCO manifold

leak-free union

KMC Controls MCP-0205 Actuator 30067439-890 or the furnace control boardThe KMC Controls MCP 0205 Actuator is a standard body pneumatic actuator engineered for precise linear motion in commercial HVAC systems. This "bare" unit is specifically designed for damper control and valve positioning, featuring a 2 inch stroke and a factory set spring range of 8 13 PSI. As a critical component for pneumatic control systems, the MCP 0205 provides the necessary force and stroke consistency required for modulating air volume or fluid