Any sense moving large radiators to second floor?

Steamhead

some things that can contribute to this......

1. Are your steam mains insulated?

2. Are there vents at thends of the steam mains? If so are they properly sized? (measure length and diameter of steam mains and tell us what vents are on them)

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Jack_8

Does it make any sense to move larger radiators to second floor?

Here's what I know (or what I think I know.)

I have a gas fired, one pipe steam system in 2000sq ft home. Radiators on the first floor (lvg rm, dng rm, foyer, kichen) are all huge and heat up just fine. The radiators on the second floor are all on the small size and never heat up the rooms adequately. All the steam vents have been recently replaced with Vent-Rite valves.

I've tried shutting down the air considerably on the first floor and that just seems to drive the steam and air harder to the second floor which causes spitting and hissing.

I'm thinking about swapping a few of the first floor radiators with the second floor. Any advise would be welcome. Jack.