The most common use for this long, wing screw with flange collar:
- securing the combustion motor mount for Harman pellet furnaces and boilers. This is the longer “off-set” screw for the raised mount.
- All Invincible Series, securing exhaust panels to the refractory wall
Generally, Harman does not list individual hardware pieces in their service parts lists. This screw has many applications, please self-verify the size you need before ordering.