Grant Black Chimney System

Black Chimney System

The Grant Spira has its own black chimney system. This 125mm (5”) vertical conventional stainless steel, twin wall insulated chimney system specifically designed for use with Grant pellet boilers. It has been fabricated to cope with continuous operating temperatures up to 200°C, although the typical flue gas temperature produced by the Spira is much lower than this. Furthermore, the system is designed so that the stainless steel outer case is load bearing. The stainless steel inner liner is free to expand independently to accommodate temperature change.

The Black Chimney System is available with a range of extension pieces and bends. The system can easily be assembled to suit a wide variety of installations.

Black Chimney System

Grant Biomass Chimney Runs

The Grant Biomass chimney should remain as straight as possible through its vertical run to assist flow. Should it be necessary to angle the chimney run, an offset no greater than 45° to the vertical. The run between the bends must not exceed 20% of the overall height of the chimney. A vertical rise of 600mm should be allowed immediately above the appliance before any offsets. Reference for both guidelines can be found in the Building Regulations Document J and relevant British Standards on installations. Moreover, we offer our customers a free of charge visit and quotation.

Our specialist will answer any questions you have and will be able to provide the best biomass system for your property.

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Heppelthwaite the Red Van Plumbers Unit 5, Jacksons Industrial Estate Wessex Road, Bourne End Bucks, SL8 5DT
01628 533 550

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