Authority: IC 22-13-2-8

Affected: IC 22-15-6

Sec. 18.1. "Fired process heater" means a direct fired heat exchanger that uses hot gases of combustion to raise the temperature of a process liquid or gas flowing directly through coils or tubes.

(Fire Prevention and Building Safety Commission; 675 IAC 30-4-18.1; filed Apr 28, 2021, 11:03 a.m.: 20210526-IR-675200627FRA, eff Jul 1, 2021; readopted filed Nov 18, 2025, 10:36 a.m.: 20251210-IR-675240566RFA)