The City shall furnish, install, and maintain pressure reducing valves on the water service connection to a customer when the maximum delivered water pressure in the City's main line servicing a customer's service line exceeds 100 p.s.i. The Director shall inform a customer when a pressure reducing valve is required. The initial cost of the pressure reducing valve and the initial cost of the installation thereof shall be paid for by the customer. (Ord. 88-23 §26, 1988).