Service update

We are experiencing high call and email volumes at this time. Your request is important to us, and we appreciate your patience as we work through the queue.  

Service update

We are experiencing high call and email volumes at this time. Your request is important to us, and we appreciate your patience as we work through the queue.  

Directive: Common venting systems for category III or IV gas appliances

Directive

Directive: Common venting systems for category III or IV gas appliances

May 19, 2010

Directive
Gas

Reference Number:

D-G5 091103 4

Revision Number:

Revision 1



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.