Overview Product Description 51752-100-7 (Hydromatic number 51752-100-7), DPS41 1-01 diaphragm replacement pressure switch, 4.5 in. pump range (on at approx 8.5 inches, off at approx 4 inches). 115v, 10 ft cord, for D-A1, SD33, SD50, OSP50 pumps. Cross Reference: DPS41-10 149740005-01 Product Videos Custom Field Product Reviews
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