4. Heating systems
  5. Combined with water heater

Kevin M. Field

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Airflow apparatus

Liquid heaters and vaporizers – Fire tube – With baffle in flue
Reexamination Certificate

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Combined potable water heater and hydronic heating system

Heating systems – Combined with water heater
Reexamination Certificate

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Rooftop water heater

Electric resistance heating devices – Heating devices – Tank or container type liquid heater
Reexamination Certificate

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Rooftop water heater

Liquid heaters and vaporizers – Stand boiler
Reexamination Certificate

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Rooftop water heater

Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2074878

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