It is standard industry practice to replace the burner gasket whenever the assembly is disturbed to prevent combustion leaks

The split taper design allows for some compression

it is recommended to mount the unit with the pressure ports facing downward to prevent sediment buildup and to assist in the natural venting of air through the bleed valves

immediately shutting down the gas valve to prevent carbon monoxide infiltration and equipment overheating

Fasco D0975 Motor 322056-301 It is standard industry practiceThe Fasco D0975 Motor is a high performance shaded pole HVAC motor designed for direct drive applications requiring a 1 20 HP output. Operating at 115V and a nominal speed of 1045 RPM, this single speed unit features a reliable 42 frame configuration with a standard 3. 5 inch motor diameter. Built with a totally enclosed air over (TEAO) enclosure, the D0975 is engineered for durability in demanding environments, ensuring the internal components are