When standing in front of your downspout elbow looking at it looking at the house.
Difference between a and b gutter elbows.
In a standard gutter installation if you are facing the gutter for example an a elbow is the elbow that will come out off the wall or gutter straight to you.
A front elbows direct water forward or back from the gutter outlet.
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B side elbows direct water left or right from the gutter outlet.
The difference is the directrion the elbow faces.
When looking directly at the wall with the downspout on it so you can see the wide surface of the downspout an a elbow will bring the gutter straight out toward you if it s a b elbow the downspout will turn to the left or the right.
Be mindful when ordering as both style a converting to style b and style b to style a are available in the drop down menu.
This elbow attaches with pop rivets screws or solder depending on the metal and can be used to guide the runoff away from the wall and foundation of your residential or commercial building.
Here is the difference between a and b style.
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B elbows would be the ones that would fit the downspout and carry the water either to the left or the right instead of out forward or.