Barksdale - 8111-PL1-B / 0417-011 referenced pressure switch product produced by high technology. 8111-PL1-B / 0417-011 became irreplaceable of foundations. 8111-PL1-B / 0417-011 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 8111-PL1-B / 0417-011 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.