Ensure the burner ground is secure to allow for proper flame rectification sensing

Adjusting gas components like the Lennox main burner involves verifying manifold pressure and ensuring there are no gas leaks

Can this motor be used in enclosed environments

System Reliability: Protects capillary tubes and expansion valves from organic acids and oil decomposition products

Zonefirst ZDB-12X18 12HX18W Parallel 24V 2-Pos S/R THPU32HP7Y Ensure the burner ground isThe Zonefirst ZDB 12X18 is a professional grade 12HX18W Parallel 24V 2 Pos S R zone damper engineered for high static HVAC environments. Built with a heavy duty extruded aluminum frame and 3 inch parallel blades, this bottom mount zone damper ensures quiet, low leakage performance in rectangular ductwork. The unit utilizes a 2 wire spring return motor rated for 24VAC, providing a fail safe open position when de energized and a powered closed state.