Sensors stop watering when it is wet or cold. Here is how they work and where they belong.
A rain sensor is a small device, usually on a post or gutter, that holds water in a cup or on absorbent discs. When it has collected enough rain, it opens a switch that tells the controller to skip watering. As the sensor dries out, watering resumes. A freeze sensor works the same way for cold, and some devices combine both. Simple as they are, they prevent the sight of sprinklers running in the rain.
Placement matters. A sensor under an eave or a tree never sees the rain and never works. It needs open sky and a spot where it can be reached for testing. Soil moisture sensors take the idea further by reading the soil itself. They need correct placement in a representative spot and set points that fit your soil and plants. We install, wire and test every sensor and show you how to check it each season.
Saves water.
Protects pavement.
Not under eaves.
Optional extra.
Wired and verified.
Easy to test.
Take the quiz, check a problem or ballpark a budget.
It collects rain and opens a switch. The controller then skips watering until it dries.
In open sky, away from eaves and trees, and reachable for testing.
A freeze sensor, or a smart controller that uses weather data, does.
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