Technical Note TN 2/89 Factors in the design of flues for condensing boilers

Publication Year

1989

Document Status

Withdrawn

Abstract

Reviews procedures in the design and sizing of flues for condensing boilers serving heating systems operating at both conventional water temperatures and low water temperatures. Explains factors governing the design of a chimney with respect to dispersion of flue products, generation of draught and efflux velocity. Considers chimney area and system resistance. Treats flue construction concerning leak tightness, materials for construction, flue layout, suitable materials for the condensate drain and flue termination. Provides a list for further reading. Supplies worked examples for the design of a chimney system in an annexe.

ISBN

9780860222286

Publisher Information