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Job Pictures. 1930's TRANE Vapor system.

JStarJStar Posts: 2,752Member

We just finished a steam replacement in Pennsylvania for a HeatingHelp customer. The old boiler was an SGO-6. We installed a Smith 8S3. Half the size. We also brought the system into proper order by replacing a series of bad repairs causing a lack of heat, and lots of water hammer.

We replaced 40 feet of 1-1/4" copper at the end of the 2" steam main (concentric reducer). Repitched a few radiator run outs and returns. Replaced some copper run outs. Installed two new radiators. Installed a handful of TRV's. Upgraded all of the venting, favoring the 80 foot steam main. Replaced a couple trap elements (original traps, 80 years old). We spent more than a few hours inside of the pictured crawl space, hugging the steam main to keep warm. And maybe my favorite part, we installed a gauge glass on the Trane Direct Return Trap, giving it a second life with the new system.


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