Attachment 1 - Appendix A Approved Air Gap
Attachment 2 - Appendix B Reduced Pressure Principle Backflow AssemAttachment 3 - Appendix C Double Check Valve Assembly and Double Check Detector AssemAttachment 4 - Appendix D Pressure Vacuum Breaker AssemAttachment 5 - Appendix E Atmospheric Vacuum Breaker
Attachment 2 - Appendix B Reduced Pressure Principle Backflow AssemAttachment 3 - Appendix C Double Check Valve Assembly and Double Check Detector AssemAttachment 4 - Appendix D Pressure Vacuum Breaker AssemAttachment 5 - Appendix E Atmospheric Vacuum Breaker