US lawIllinoisRegulationsTitle 92 — TRANSPORTATIONCHAPTER I: DEPARTMENT OF TRANSPORTATIONSUBCHAPTER e: TRAFFIC SAFETY (EXCEPT HAZARDOUS MATERIALS)Part 442 — MINIMUM SAFETY STANDARDS FOR CONSTRUCTION OF TYPE II SCHOOL BUSESSubpart C442.45092 Ill. Adm. Code 442.450Heater ConnectionsYear: 2026Length: 26 wordsOfficial source Section 442 Section 442.450 Heater Connections Each heater installation shall include two shut off valves as close to the engine inlet and outlet connections as practicable.Previous92 Ill. Adm. Code 442.445Next92 Ill. Adm. Code 442.455