• I.S. 281-1 & 2:1986

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    GAS FIRED CENTRAL HEATING BOILERS AND CIRCULATORS - PART 1: ESSENTIAL SAFETY REQUIREMENTS, PART 2: DESIGN, CONSTRUCTION AND PERFORMANCE

    Publisher:  National Standards Authority of Ireland

    Published: 

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