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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by Dagger[/i] [br]. I have a problem with ground water getting under my pool liner. When the pool was installed, they put a suction line under the liner to suck out the water. The problem is that someone has to turn on the pump and then turn it off. I installed a rain sensor so that when it rains it will start the pump. It is adjustable from 1/8” to 1” of rain. The way it works is there are lather disks inside, and when they get wet and swell, it trips the switch. Here is where the problem is, depending on how wet it gets, it could take up to 14 hours to dry out and let the switch reset. I don’t need the pump running that long. If the pump ran for about an hour after it stops raining would be good. I can’t find a rain sensor to work the way I want it to. All the rain sensors are for sprinkler systems, so it does not matter how long it takes to reset. Would anyone have any idea on possibly making a rain sensor to do what I need? I do not have a problem adding relays or timers to the circuit. Any ideas? [/quote]    Insert an Image File (GIF, JPG, JPEG, BMP, ZIP, PNG) Check here to include your profile signature.