The subject of Chapter 5 is water heaters. Fuel-burning water heaters include natural gas, propane and oil. The Uniform Plumbing Code provides installation guides to insure that these appliances meet the needs of the user to provide sufficient amounts of hot water, operating efficiently. Other code considerations are preventing possible damage from future leakage and creating a safe work area around the heating units, should the units require service. This class has been approved by the Plumbing and Mechanical Systems Board for two hours of plumbing code.