Technical Safety BC has issued Directive D-GA-2021-02: Special venting system and type BH venting system termination clearances, pursuant to section 30 of the Safety Standards Act.
This directive provides details on vent termination clearances for special venting systems or BH venting systems when not specified by the CSA B149.1 Natural Gas and Propane Installation Code or the appliance manufacturer’s certified installation instructions.
In the event that certified instructions are not provided, please refer to this directive for clearance requirements.
For questions, please contact GasSupport@technicalsafetybc.ca.