When tightening the arms of sprinkler heads, in which direction should they be aligned?

Aligning the arms of sprinkler heads parallel to the pipe ensures that the water distribution is uniform and efficient. When the arms are positioned parallel, it allows for optimal spray patterns and prevents obstruction, which can occur if the arms are misaligned. This configuration also aids in maintaining a low profile against the system design, as most sprinkler systems are designed for horizontal or upright installations where the flow of water needs to be directed evenly.

Positioning the arms incorrectly, such as perpendicular to the pipe, can lead to issues in water flow and pressure, potentially reducing the effectiveness of the sprinkler system. Similarly, having the arms at a 45-degree angle may not provide the intended coverage or can cause the water to be directed away from the desired area. An arm positioned in a downward position could block vegetation or other structural elements, further complicating proper distribution.

Thus, aligning the arms parallel with the pipe is essential for maximizing the effectiveness and efficiency of the sprinkler system while complying with standard installation practices.