How Do I get certified for STANDARDflex CSST? Please visit STANDARDflex website: https://www.standardflex.ca/ Quick Tips for STANDARDflex Gas Fitting Installation STANDARDflex -Brass Fitting Assembly Guide STANDARDflex CSST - How to Get Certified Installation Manual Please click on the link below: Installation Manual STANDARDflex CSST Sizing – Flow Chart Please click on the link below: STANDARDflex Gas Pipe Sizing
