Baxi Solo 3 30 PF System Installation And Servicing Instructions page 27

6.0 Installation - Page 27
6.14 Internal Fitting Kit (Cont)
6. Refit the end piece to the liner and open out to the
thickness of the wall. Seal the two pieces together using the
tape provided with the kit (Fig 64).
7. Slide the assembled wall liner into the hole in the wall
until the tags stop against the inner wall with the seam of the
liner uppermost. Mark the positions of the holes in the tags
on the wall and then rotate liner so that tags reveal marks
(Fig. 65).
8. Drill and plug the wall in these positions (Fig. 66).
9. Rotate liner back until the tags align with the holes drilled
and secure it to the wall using suitable screws (Fig. 67).
10. Make good between the edge of the liner and the outside
wall with cement mortar or a similar substance, by reaching
through the liner and pressing the mortar between liner and
the outside brick work (Fig. 68). Make good between the
liner and the inside wall. Apply soap solution to the 'O' ring
inside the liner.
11. The rest of the installation may now proceed as
described.