Recreational equipment such as boats, boat trailers, travel trailers, pick-up campers or coaches, motorized dwellings, motor coaches, tent trailers and other vehicles may be parked or stored only in side yards, rear yards, carports, or in an enclosed building, provided, however, that such equipment may be parked or stored anywhere on a residential premises for a period not to exceed twenty-four (24) hours during loading and unloading. The temporary use of recreational vehicles such as motor homes, travel trailers and tent trailers as private residences shall be permitted but limited to a maximum duration in time of twenty-one (21) days. Such parking or use shall be limited to one (1) recreational vehicle. Connection to Town sewer system is prohibited under these terms.