Header question

Paul Mitchell

Just a question as far as header size goes. What if the manufacturer calls for a 3" header and you put in a 4" header. I would guess that a larger header is not bad. I am bidding a job that has an existing four inch header with 2 3" risers from an old boiler. I may be able to connect my 2 2" risers to this old header. Any comments would be appreciated.
Paul

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Larry_4

Your header size is going to depend on flow rate of total system 2" pipe with can pass 50 gpm which turns to be approx 500,000 btus at a 20 F temp drop

Unknown

And if it's steam

no problem. Bigger is slower and better.

Noel

Paul Mitchell

Sorry

it is steam...thanks guys

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