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Title: RS-228 Not for cold winter use
Review: We have two tanks and two of the RS-228 sensors. They worked very well for 3 seasons, but here in Mid-Michigan they are non-working for the Winter months, below 32. Sensors fail in cold, even though the receiver & sender are in a straight line, 40' & thru a window, sensors are inaccurate and then totally stop working. The phone/secretary in Texas said that they can be erratic in cold weather, which is why we purchased them. Very unhappy, no replies from company via eMail or regular mail, phone messages never returned by RCC customer service. Local dealer stopped selling & installing for above reasons.
