Quick answer: A sprinkler head can sink when surrounding soil settles, the riser or fitting below it shifts, repeated traffic compresses the area, or the head was not supported correctly after previous work. Why height matters A head sitting too low can have its spray blocked by turf and may collect dirt around the riser.…

Quick answer: Sprinkler nozzles affect spray distance, pattern, flow and precipitation rate. The wrong nozzle can create dry spots, overspray, excessive flow demand or uneven watering even when the sprinkler body itself works correctly. Radius and arc are different Radius describes how far water travels. Arc describes the portion of a circle being watered. Both…

Quick answer: A clogged sprinkler nozzle can reduce flow or distort the spray pattern at that individual head, but it usually does not create low pressure throughout an entire zone. Zone-wide weak performance points more toward leaks, valve restrictions, supply issues or multiple clogged components. What a clogged nozzle looks like One head may spray…

Quick answer: Spray heads typically apply a fixed fan of water over shorter distances, while rotors distribute water through a moving stream over a larger radius. They can have very different precipitation rates, which is why mixing incompatible sprinkler types on the same zone can create uneven watering. Spray heads Traditional spray nozzles distribute water…

Quick answer: Dry spots can result from poor sprinkler overlap, clogged or incorrect nozzles, tilted or sunken heads, blocked spray, low pressure, landscape changes, or a watering schedule that does not match the zone. Adding more runtime is not always the right fix. Coverage problems are common Sprinklers are typically designed to overlap coverage. A…

Quick answer: A sprinkler head may not pop up because of low zone pressure, a clogged nozzle or filter, a damaged head, soil packed around the riser, an underground leak, or a valve that is not opening fully. One head or the whole zone? If one head stays down while nearby heads operate normally, inspect…