7 Colo. Code Regs. § 1101-5-1-12
Current through Register Vol. 47, No. 24, December 25, 2024
Section 7 CCR 1101-5-1-12 - Forced-Circulation Water Heaters(a) All water tube or coil-type water heaters, requiring forced circulation shall have the following: (1) An accepted safety control to prevent burner operation at a flow rate inadequate to protect the water heater unit against overheating, at all allowable firing rates. This safety control shall shut down the burner and prevent restarting until an adequate flow is restored. Positive means shall be provided to determine, during testing, that the accepted safety control has functioned upon an inadequate flow condition.(2) A manually-operated remote shutdown switch or circuit breaker which shall be located just outside the water heater room door and marked for easy identification. If the potential for tampering exists, the switch shall be located just inside the door. If there is more than one door to the water heater room, there shall be a switch located at each door. The emergency shutdown switch or circuit breaker must: (A) Disconnect all power to the burner controls.(B) Be wired in series with all safety controls of the boiler circuit.(C) Allow circulation pumps to continue running.40 CR 11, June 10, 2017, effective 7/1/2017