What is the common diameter for residential sprinkler piping?

The common diameter for residential sprinkler piping is typically 1 inch. This size is widely used because it strikes a balance between adequate water flow and pressure while remaining manageable for installation. A 1-inch diameter allows for sufficient coverage of residential areas, ensuring that the sprinkler system can effectively distribute water to grass and plants without being excessively bulky or cumbersome.

Using a larger diameter, such as 1.5 inches or 2 inches, may lead to unnecessary expenses and complexity in installation, as those sizes are more suited for commercial applications or larger properties that require higher volumes of water. Conversely, 0.5 inches might not provide sufficient flow for effective watering in a residential setting. Thus, the choice of 1 inch is optimal for achieving effective and efficient irrigation in typical home landscapes.