Question: 09-02 | Code Section: 7 | Date: 8 February 2009 | OBC 2006 Reference: 7.6.1.16. |
Question: Would the valve (EXV- 78-RV) and the subsequent drawing listed in the attachment achieve compliance with OBC 7.6.1.16 Thermal Expansion protection due to installation of a backflow preventer.
Interpretation: No, The valve shown is for use as an isolation valve for a hot water tank and may not be installed in a larger line at a dead-end as per manufactures installation requirements and CSA certification.
Interpretation: Approved at AMES 2009