Posted by Harold Kestenholz - Hydronic Network on December 22, 2000 at 11:25:27:
In Reply to: System Flushing posted by Tom on December 22, 2000 at 08:55:50:
A steam system is continually flushed with water as it operates, although at a slower rate than a hose. Thought must be given to what is going to occur at the traps. Rust chips will lodge in small restrictions. If the 2-pipe system is multi-story, there should be cleanouts at the bottom piping. It is unusual maintenance to flush a steam system. Steam moves at high velocity to pick up dirt. The result is the mud that must be blown down from the boiler. If there are specific locations that have dirt buildup blocking flow, then they can be a specific target for clearing.
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