Title: Gilmour model 993TD with timer
Product review: I purchased 3 of these sprinklers in 2009 for my large lawn (over 10,000 sq.ft.). The coverage area was the primary reason for this purchase. The built in timer I've found more useful than I anticipated. One thing I discovered is it's very important to keep the screen at the water inlet clean. The timer doesn't work properly if the water flow is restricted by a clogged screen. This is easy to do with an old toothbrush and some rust cleaner. You'd be surprised how much junk flows through the hoses.Adjustment is easy and performance is great as long as you keep it clean. These sprinklers even work well in a moderate wind (10-15 mph). I'd recommend without reservation.
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