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what are the technical requirements of natural gas boilers

Natural Gas - NBBI - The National Board of Boiler and ...

Editor's note: Some ASME Boiler and Pressure Vessel Code requirements may have changed because of advances in material technology and/or actual experience. The reader is cautioned to refer to the latest edition of the ASME Boiler and Pressure Vessel Code for current requirements.

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IDEM: Compliance and Technical Assistance: Boiler ...

Natural gas or refinery gas (Gas 1 Fuel) boilers that have liquid fuel for back up maintain their category of Natural or refinery gas if they limit their usage of liquid fuel to 48 hours or less per year and use liquid fuel during a period of gas curtailment or supply interruption.

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Purchasing Energy-Efficient Residential Gas Boilers ...

FEMP's acquisition guidance for residential boilers and the associated ENERGY STAR efficiency requirements apply to natural gas boilers with an input rating of less than 300000 Btu/h. Commercial boilers (i.e. those with an input rating of 300000 Btu/h or greater) are excluded. This acquisition guidance was updated in December 2018.

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Purchasing Energy-Efficient Residential Gas Boilers ...

FEMP's acquisition guidance for residential boilers and the associated ENERGY STAR efficiency requirements apply to natural gas boilers with an input rating of less than 300000 Btu/h. Commercial boilers (i.e. those with an input rating of 300000 Btu/h or greater) are excluded. This acquisition guidance was updated in December 2018.

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