Pipes and Effiencency in Gas Steam system

Steamhead (in transit)

I'd make sure a properly sized main vent is installed at or near the end of that 2-inch pipe. This will make the main fill with steam in about a minute if done right. How long is the 2-inch pipe?

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Gino_3

Pipes and Effiecency

have a 2 family house with a steam radiator system that runs off Gas. I had my boiler serviced by a plumber last year as some of the wires were disconnected and it wouldn't startup . The plumber suggested a way for me to save on my Heating bills. He adviced me that if we were to change out the pipe leading from boiler that extends the length of the basement from 2 inch to 1 1/2 we would get better effiencency as the house would heat up faster reducing the time the boiler is on; something about pressues leveraging. will this work?

Ron Schroeder

Gino

Actually bigger is better, steam is a vapor and needs room to move, steam moves fast,the tighter you squeeze it the higher you need to set the pressue.15 Feet per Secona it a great veloscity if you drop pipe size you increase veloscity and once up in the twenties your carrying water with that steam and dry staem is better. Your system should be set at about .5PSI cut in and 1.5-2 PSI max cut out. Most work great on ounces of pressure not Pounds of pressure and think about this the Empire State Building runs on 2-3 PSI why would you want to increase it in your home.