Key topics covered:

• Planning drain locations to prevent slip hazards and standing water issues
• Correct trap installation
• Proper venting techniques and why vent height matters
• The critical 1/4″ per foot pitch rule and how to test it
• Float switch installation best practices for primary and auxiliary pans
• How to prevent double-trapping in various installations
• Insulation requirements for horizontal drain lines

Whether you’re a seasoned pro or new to the field, these drain fabrication fundamentals will improve your installations and customer satisfaction. Remember: a properly installed drain system is your reputation’s best protection!