These requirements cover oil burners intended for firing appliances and devices such as boilers; central@ floor@ wall@ and special furnaces; storage tank water@ air@ and direct-fired air heater units; and ovens. These burners are required to be equipped with automatic primary safety controls to restrict abnormal discharge of oil at the burner in case of ignition failure or flame failure. Requirements for the installation and use of oil-burning equipment are included in the National Fire Protection Association Standard for Oil-Burning Equipment@ NFPA 31. These heaters are intended for installation in accordance with codes such as the BOCA National Mechanical Code@ the Standard Mechanical Code@ and the Uniform Mechanical Code. A product that contains features@ characteristics@ components@ materials@ or systems new or different from those covered by the requirements in this standard@ and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features@ characteristics@ components@ materials@ or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development@ revision@ and implementation of this standard.