Gas water heater with harmful gas monitoring and warning...

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature

Reexamination Certificate

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C122S504000, C340S632000

Reexamination Certificate

active

08047163

ABSTRACT:
A gas water heater with a warning function, the gas water heater being disposed in a facility and comprising: a gas water heater main body including a controller having a warning cell; and a gas detecting unit separate from the main body and disposed at an indoor monitoring point of the facility, the gas detecting unit having a gas sensor and being in communication with the controller.

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