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Water Return Sediment Trap

Robbie Member Posts: 41
Having been running my nice new (well, the boiler & near piping anyway) steam system for a few days now, I got to thinking about the sediment/sludge & crap flowing down from the radiators and lines in the water return... When I removed a section of old pipe in the wet return, I found it had filled about 1/4 of the way with old scale & junk. (I had to replace the section, as it was rusted through in one small spot) This was after the first day's running.

Would it be possible to create a sediment filter box, and incorporate it into the system? Perhaps a box with a removable top, where the cold return comes in through the upper half, passes through a mesh screen, and continues out from the lower half, so any scale, etc. gets retained, and cleaned out from time to time? This would allow the boiler to be kept free of this junk. It could be mounted between two unions, and replace a section of return line.





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