Title: Two attempts, two failures
Product review: Bought the model pictured (with two rotary knobs) at a local box store, but it only worked for a few days. They replaced it and it worked for three months - until the batteries died. With new batteries the valve would not stay open. It merely cycled open, paused momentarily, then closed. I'll take it back again and see if they will honor the one year warranty. Granted, it did work reliably for three months, but I DO NOT RECOMMEND this product. The settings for watering frequency and duration are somewhat limited and a bit confusing. The controls feel cheap and the sound the unit makes while opening/closing is like a cheap toy.
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