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I've got the box programmed to water at the right times but there is supposed to be a moisture probe somewhere in my lawn to prevent watering when the ground is moist, and it doesn't seem to be working.
Hopefully someone with experience installing the systems can tell me where the sensor is usually installed. There are four different zones, does that mean that there is a sensor for each zone?
But the biggest worry I have is having to flush the water out at the end of the summer. There is a pipe sticking up inside the valve box which I *think* is the port to add compressed air to blow out the lines. It's a 1/2" threaded pipe with a cap on it. I'd hate to unscrew the cap and find its pressurized.
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