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FR2586090A1
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Heating apparatus such as a boiler, in particular for a central heating installation
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FR2551188A1
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Boiler with combustion regulation, and method for regulating the combustion of a boiler.
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FR2529306A1
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Draught regulator for flue - has butterfly valve and fresh air admission controlled by temperature sensor.
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FR2499223A1
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Boiler, especially for a heating system
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FR2461891A1
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Boiler burner with preheater - has coil containing fuel around burner end in a heated coil exchanger
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FR2419486A1
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Solar-powered domestic water heater - has heat exchanger tube nests located centrally in tank to receive water from reservoir
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