Directive: Common venting systems for category III or IV gas appliances
May 19, 2010
D-G5 091103 4
Clause 8.10.6 has been revised in the B149.1 2015 (effective November 01) edition to add conditions and requirements for the common venting of appliances operating with a positive pressure.
This revision has made Directive No: D-G5 091103 4 redundant.