18
STRATA1
See fig. 18
1. Lubricate male ends of concentric bend with silicone grease and locate bend into flue and air tube
connection sockets on the top of the boiler and gently push fully home.
2. Slip flue tube and terminal assembly through prepared hole in the outside wall.
3. Locate internal wall bezel plate loosely onto air tube.
4. Lubricate male ends of concentric flue tubes and female sockets of flue bend lightly with silicone
grease. Insert concentric tubes into bend and gently push fully home. Ensure flue gas discharge is
positioned vertically upwards.
5. Made good internally and externally gap between air tube and prepared hole through wall.
6. Fit external 2 piece wall bezel and secure both internal and external wall bezels using fixings
provided.
7. Seal air tube to exhaust discharge with a bead of silicone rubber mastic (mastic supplied) to create
weather seal to avoid entry of rain water into air tube.
8. Extend flue gas discharge to chosen position using 80 mm PPS flue tube fittings.
1
7
6
2
4
3
Extend using 80ø
PPS tube
Flue discharge
vertically upwards
on some wall aspect
8
Fig 18.
Method of assembly of extendable vertical
discharge wall terminal assembly.
