What type of hose should a technician use for a fuel feed line in an engine room?

Selecting the appropriate hose for a fuel feed line in an engine room is critical for safety and performance. The A1-15 hose is specifically designed for fuel lines in marine applications and meets the stringent standards set by ABYC (American Boat and Yacht Council). This hose is rated for use with gasoline and other fuels, and it is built to withstand exposure to harsh marine environments, including high temperatures and chemical exposure.

The A1-15 designation indicates that the hose has been tested for flame resistance and can handle high pressures, making it ideal for fuel systems in engine rooms where safety is paramount. Using a hose that fails to meet these specifications could lead to fuel leaks or even fires, thus emphasizing the importance of choosing the correct type.

In contrast, the other hose types, such as B1, A2, and B2, have different ratings and applications. While they may be suitable for other uses, they do not offer the same critical safety features required for a fuel feed line, especially in the engine room where risks are higher and strict adherence to safety standards is necessary. Therefore, the A1-15 hose is the most appropriate choice for ensuring both compliance with safety requirements and the integrity of the fuel system.