Baxi Solo 3 30 PF System Installation And Servicing Instructions page 17

6.0 Installation - Page 17
6.4 Rear Flue Preparation
Wall thickness 285mm - 500mm (11
5.6.
Wall thickness 100mm - 284mm (4 in - 11
If the wall thickness is less than 285mm (11
necessary to cut the components of the flue to the
appropriate size.
1. Measure the wall thickness (Fig. 19). Mark this dimension
on the Flue Duct from the flared end and cut the waste off
the plain end (Fig. 20).
2. Take the Flue Terminal Assembly and measure from
the terminal end the wall thickness and subtract 40mm (Fig.
21). Cut the waste off the plain end.
Wall Thickness - 40mm (all boilers)
3. The cardboard support should be installed onto the flue
tubes to ensure the assembly is supported during cutting
(Fig. 23 & 24).
4. Measure the same amount from the flange end of the Air
Duct and cut the waste off the plain end (Fig. 22).
Wall Thickness - 40mm (all boilers)
6. Go to section 6.5.
5 3
/ - 19 / ) go to section
16 8
3
/ in).
16
3
/ in), it will be
16