Flue Gas System - A.O. Smith Upsilon Installation And Service Manual

7 Flue gas system
22
The flue gas exhaust system and air supply system consists of:
- Flue gas pipe;
- Air supply pipe;
- Roof or wall terminal.
The flue gas exhaust system and air supply system must comply with:
United Kingdom:
The flue gas outlet and air supply installation must comply with the current regulation
requirements. IG UP 10, BS 715 and BS 6644.
Ireland:
- Irish standard is 813 section 9.10.1
Furthermore:
- Boiler Class indicated on the boiler's type plate (Flue category)
- Locally applicable rules.
- The supplier's installation instructions
When in doubt or if you have any questions, always contact A.O.Smith.
The boiler can be fitted with a parallel connected flue gas outlet and air supply system
(the connection diameter for both channels is ø100mm) or a concentric flue gas outlet
and air supply system. In that case, the connection diameter is ø100/150mm. Refer to
chapter 7.1 or 7.2.