The Board of Selectmen on Tuesday approved an $8,800 contract to replace a leaking air-handling unit that serves the popular Mead Park Lodge food counter. A service call to Shelton-based M.A. Garamella Co. Inc. “revealed numerous refrigerant leaks in the old heat-pump AHU [air handling unit] as well as in numerous spots in the refrigerator piping,” according to a work proposal that First Selectman Kevin Moynihan and Selectmen Kathleen Corbet and Nick Williams voted 3-0 to approve at their regular meeting, held both in-person at Town Hall and via videoconference. “Specifically where the pipe penetrated the stone wall of the building,” the April 19 Garamella proposal continued. “We propose to replace the whole air handler, electric heat bank and refrigerant piping between the indoor and outdoor unit.