Valor Fires 958 Installation And Owner's Manual

Also see for Artura 958: Installer and owner guide Installation and owner's guide Installer and owner guide

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Valor Fires 958 Installation And Owner's Manual Manual pdf 17 page image

3.10.3 Precast concrete or clay flue block system and hearth.A precast concrete or clay flue blocksystem conforming to BS1289 or BSEN 1806 with dimensions as infigure 7. BS EN 1806 and BS1289recommend that there should be anair space or insulation between theflue blocks and the plaster becauseheat transfer may cause cracking ondirectly plastered flues. However,generally this appliance is suitablefor installations under allcircumstances unless there is ahistory of cracking problems.Remember that faults such ascracking may be caused by poorlybuilt and restrictive flues, e.g. mortarextrusions, too many bends, flueheights below three metres,restrictive terminations etc.INSTALLER GUIDEFigure 7. Precast or clay flue block systemdimensions© Baxi Heating U.K. Limited 2009. Page 17