In traditional design, flooring is usually installed following the direction of the main light source. If there are big windows or an entryway contributing streams of natural light, install floors in the same direction as their source.Which direction should your furnace’s airflow direction arrow face?
The arrow must face toward the furnace and away from the return duct that pulls the air in need of heating or cooling. It’s smart to draw the airflow direction arrow with a permanent marker on the furnace or ductwork.Which direction should a head gasket be installed?
The edge of the gasket with the Up stamp must be kept up toward the top of the engine block. In some cases, head gaskets or intake manifold gaskets won’t have any directional indicators on them. They may have Blue Stripe ® coating or be a different color. In these cases, it does not matter which direction the gasket is installed.