Kan. Admin. Regs. § 49-52-17
An emergency shutoff switch shall be installed on each hot water supply boiler, on each boiler of any size that is equipped with power burners, and on each boiler with a BTUH input of 400,000 or more, regardless of burner type. Each heating and power boiler shall have an emergency shutdown switch installed by each exit to meet the requirements of NFPA 70, "national electrical code," 2002 edition, which is adopted by reference, and ASME CSD-1, as adopted in K.A.R. 49-45-27. Each boiler with an input of 12,500,000 BTUH or more shall meet the requirements of NFPA 70 and NFPA 85, 85A, 85F, and 86, as adopted in K.A.R. 49-45-37 through K.A.R. 49-45-40 . Each emergency shutdown switch shall be marked for easy identification.
Kan. Admin. Regs. § 49-52-17