If not let the professionals at Diefenbach Dave Sales & Service Inc. help you get the best water you can. We specialize in water pump installations and pump service and water softening systems in Chautauqua County, NY. We offer a full line of products, outstanding value, and prompt, dependable service to provide our customers with excellent water quality for drinking, cooking, cleaning, and life. We offer custom designed water systems to fit any needs of our customers.