U.S. Department of Energy - Energy Efficiency and Renewable Energy

Federal Energy Management Program – Operations and Maintenance

Steam Traps Maintenance Checklist

Description Comment Maintenance Frequency
Daily Weekly Monthly Annually
Test steam traps High-pressure traps (250 psig or more). Daily/weekly testing is recommended. X      
Medium-pressure traps (30-250 psig). Weekly/monthly testing is recommended.   X    
Low-pressure traps Monthly/annually testing is recommended.     X  
Repair or replace steam traps Repair or replace stream traps when testing shows that there are problems. Typically, traps should be replaced every 3-4 years.     X  
When replacing, take the time to make sure traps are sized properly.     X