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// CODE SNIPPET

904.4 Temperature- or Pressure-Limiting Devices

Uniform Mechanical Code 2018 of Nevada > 9 Installation of Specific Appliances > 904.0 Central Heating Boilers and Furnaces > 904.4 Temperature- or Pressure-Limiting Devices
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Steam and hot water boilers, respectively, shall be provided with approved automatic limiting devices for shutting down the burner(s) to prevent boiler steam pressure or boiler water temperature from exceeding the maximum allowable working pressure or temperature. Safety limit controls shall not be used as operating controls. [NFPA 54:10.3.4]

Related Code Sections


904.4 Installation of Specific Appliances, Temperature- or Pressure-Limiting Devices
boiler steam pressure or boiler water temperature from exceeding the maximum allowable working pressure or temperature. Safety limit controls shall ...
Uniform Mechanical Code 2018 of Nevada > 9 Installation of Specific Appliances > 904.0 Central Heating Boilers and Furnaces > 904.4 Temperature- or Pressure-Limiting Devices
927.3 Installation of Specific Appliances, Temperature or Pressure-Limiting Devices
is provided with over-temperature protection only and is installed with any device in the discharge line of the heater that can restrict the flow of water ...
Uniform Mechanical Code 2018 of Nevada > 9 Installation of Specific Appliances > 927.0 Pool Heaters > 927.3 Temperature or Pressure-Limiting Devices
B 105.0 Procedures to Be Followed to Place Gas Equipment in Operation, Protective Devices
, temperature- and pressure-relief valve, low-water cutoff device, or manual operating features, shall be checked for operation within the parameters ...
Uniform Mechanical Code 2018 of Nevada > B Procedures to Be Followed to Place Gas Equipment in Operation > B 105.0 Protective Devices
424.83 Equipment for General Use, Overtemperature Limit Control
the electrodes. Such means shall be in addition to the temperature-regulating system and other devices protecting the tank against excessive pressure ...
National Electrical Code 2017 of Nevada > 4 Equipment for General Use > 424 Fixed Electric Space-Heating Equipment > 424.83 Overtemperature Limit Control
425.83 Equipment for General Use, Overtemperature Limit Control
the electrodes. Such means shall be in addition to the temperature regulating system and other devices protecting the tank against excessive pressure ...
National Electrical Code 2017 of Nevada > 4 Equipment for General Use > 425 Fixed Resistance and Electrode Industrial Process Heating Equipment > 425.83 Overtemperature Limit Control
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