18.56.050: HOT WATER CAPACITY FOR RESIDENTIAL UNITS:
All single-family residences which have central water heating units shall deliver a minimum capacity of thirty (30) gallons of one hundred forty degree Fahrenheit (140°F) water. Multiple units shall have a central water heating unit which shall deliver a minimum capacity of thirty (30) gallons of one hundred forty degree Fahrenheit (140°F) water per residential unit, when a central water heating unit is installed. (Prior code § 5-14-8)