Question for Steamhead or Noel or others

Steamhead (in transit)

they didn't feel like cutting and threading two pieces of pipe?

If the square feet EDR is within spec, an 1-1/2" drip from the 2-1/2" main should work OK. The downward velocity of the water in the drip will preclude banging.

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tim smith

Steam question for Steamhead, Noel or others

Have a one pipe steam system with a wet return dropping under the slab about 25ft from boiler and then comes up at back of boiler. The underground pipe is shot, question is, wondering why at the closet 25ft away from boiler, the return drops from ceiling in 2.5" down into slab then reducing elbow to 1.5" horiz. pipe and runs in 1.5" all the way to boiler. Trying to decide if rerunning 1.5" is the best idea and if so I would like to come above grade and then bell out to 2.5" there. Any input, Tim. Still wondering why they reduced to 1.5" underground although. Thanks in advance.

Unknown

Inch and a half condensate piping is good for (up to) 456,000 BTUH on a one piper, or 648,000 on a two piper (DOE output), per The Golden Rules of Hydronic Heating

The larger piping leading up to there is good, as it carries the air very fast, getting it to the vent.

Noel