Base model - Values represent a 1000000 Btu/hour gas-fired hot-water boiler operated for 1500 full-load hours per year with a thermal efficiency of 80%. The performance of this standard unit is based on ASHRAE 90.1-2007. Thermal (E t) - Represents a output divided by input as defined by ANSI Z21.13. A thermal rating should be used to ...
Read MoreThe 2018 Edition of the ASME CSD-1 Controls and Safety Devices for Automatically Fired Boilers less than 12500000 BTU/hr. and State adopted Edition of the National Fire Protection Association (NFPA) 85 and Combustion System Hazard Code for over 12500000 BTU/hr. NFPA 87 Recommended Practice for Fluid Heaters NFPA 54 National Fuel Gas Code and all other adopted and
Read MoreBase model - Values represent a 1000000 Btu/hour gas-fired hot-water boiler operated for 1500 full-load hours per year with a thermal efficiency of 80%. The performance of this standard unit is based on ASHRAE 90.1-2007. Thermal (E t) - Represents a output divided by input as defined by ANSI Z21.13. A thermal rating should be used to ...
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