1.1 These requirements apply to oil-fired air heaters and oill fired direct-fired heaters.
1.2 Requirements for the installation and use of oil-burmning equipment are included in the Standard for the Installation of Oil- Burning Equipment, NFPA 31.

1.1 These requirements apply to oil-fired air heaters and oill fired direct-fired heaters.
1.2 Requirements for the installation and use of oil-burmning equipment are included in the Standard for the Installation of Oil- Burning Equipment, NFPA 31.