it is industry best practice to source new high-temp gaskets to prevent flue gas leakage at the mounting flange

This motor features a standard 3

soot buildup in the burner

this outdoor temperature sensor is the likely culprit

the M3542 motor is built to handle continuous duty cycles (CONT) in ambient temperatures up to 40°C

KMC Controls MEP-4952 Actuator 318423-701 it is industry best practiceThe KMC Controls MEP 4952 Actuator is a powerful, direct coupled solution engineered for proportional control in demanding HVAC applications. This 24VAC DC unit delivers 90 in lb of torque, making it a reliable choice for managing medium sized damper actuators and globe valve assemblies. Integration into existing Building Automation Systems (BAS) is seamless thanks to its 0 10 VDC or 2 10 VDC input signals and selectable voltage feedback (0 5 0 10