One pipe steam (install into new addition?)

Steamhead (in transit)

Minimum pitch is 1 inch in 10 feet, more is fine. Also, use the next size larger pipe than you would for a parallel-flow main. And be sure the take-off is above the required "A" dimension.

With the above done right, it'll work great. But you know that.

Is this the one for which you were asking about the small-tube rads?

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Jamie_6

When installing a new Steam main when the water is traveling in the opposite direction as the condensate can you pitch the pipe too much?

Jamie

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KBP&H

steam

YES,, the condensate needs to able to stay on the bottom or side of the pipe so that it does not drip into any steam. If you run copper on new laterals, run at least 1 1/4',as 1" does not allow enough space w/ steam velocity and condensate return, the copper seems to react differently than steel pipe. Steam was made only to work w/ steel pipe, copper wasn't discovered yet.

Jamie_6

Steamheat!

Steamhead! This is the job where we are adding 6 Burnham slenderized radiators into a new addition. The homeowner wanted the simplicity of one heating system for the entire house. The boiler was only about three years old but it was piped incorrectly. Once we convinced them that we could make the original house work they where gunho for the new section to match.

I read in one of our steam books not to use anything smaller then 2" when running a steam main is this just good practice? We ended up running about 40' of 2" steel to get into the new crawl space and then 20' in the crawl space that pitches back to the wet return in the original part of the house.

I'll post some pictures today!

Steamhead (in transit)

Be sure

to vent the heck out of that new main! Unless those 6 Slenderized rads are way big, 2-inch should be fine.

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