*In addition, the terminal should not be nearer than 300mm to an opening in the
building fabric formed for the purpose of accommodating a built-in element such as a
window frame or door frame (See figure 5).
** The reference to external corners does not apply to building protrusions not
exceeding 450mm, such as disused chimneys on external walls.
INSTALLER GUIDE
Page 18
© Baxi Heating U.K. Limited 2010.
Figure 6.