Flushing and Draining Techniques

Once a year, the entire hot water and steam system should be flushed to keep the pipes clear and the water flowing freely. To flush the system, open the blow-off valve and let the water run off into a bucket until it runs clear. If the water still looks rusty after the system has been flushed, call a professional service person.

Step 5: Release air from all convectors in system so they'll heat properly. Gauge on boiler should read 12 psi. If pressure on gauge shows less than 12 psi, add more water. If pressure is above 12 psi, drain off some water.If you follow the steps in this article, you can be assured that your hot water and steam system will operate efficiently for years to come.^©Publications International, Ltd.