Gas appliances. Combined heat and power appliance of nominal heat input inferior or equal to 70 kW1 Scope This document specifies the requirements and test methods for the construction, safety, fitness for purpose, rational use of energy, sound power measurement and together with requirements for the marking and advice on the end of life disposal of a micro combined heat and power appliance; hereafter referred to as mCHP appliance. This European Standard applies to mCHP appliances of types B22, B23, B32, B33, B52, B53, C1, C3, C42, C43 C52, C53,

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Natural gas

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