- Specifications
- Description
- The 2020 edition is significantly revised to reflect the most current industry knowledge and best practices
- NFPA 31 is a must-have safety document for helping designers, contractors, and installers safeguard buildings and occupants
- The standard is also relied on by authorities having jurisdiction (AHJ) and insurance underwriters who must verify the correct installation of oil-burning equipment
- Changes to the 2020 edition include edits to Chapter 3 definitions for heating fuel and used oil
- Modified list of acceptable fuels in Chapter 4 based on updated ASTM reference standards
- Addition of annex material to explain changes regarding acceptable fuels
- Revised specifications for acceptable piping and fitting materials in Section 8.2 based on edits to the reference test standards
- Updated references based on extracted text
NFPA 31 is a standard for the safe, efficient design and installation of heating appliances that use a liquid fuel, typically No. 2 heating oil, but also lighter fuels, such as kerosene and diesel fuel, and heavier fuels, such as No. 4 fuel oil. NFPA 31 applies to the installation of these systems in residential, commercial, and industrial occupancies.