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Old 12-18-2010, 09:00 PM   #1
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Natural gas pipe sizing question

Hi guys, I've looked but can't seem to find the right answer. I messured my supply line to my house and it appeares to be about 1 1/8" OD on a tape messure. I don't have a caliper handy. I'm guessing this is a 3/4 line but is that normal for a house supply?

Currently the only gas appliances are a furnace and water heater. I am looking at running a gas dryer and eventually would like to add a gas range and outside outlet for a bbq, maybe patio heater in the future.

Currently the water heater and furnace are about 25' from the supply on the side of the house. The dryer would be about 3-4 feet from these, through a wall. From the dryer it would be another 10 feet to the eventual location for a range and then another 10-20' for the eventual ending location for the bbq and patio heater.

If this is in fact a 3/4 line is adding a dryer possible? What about a range and bbq?

Thanks for your help.


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Old 12-18-2010, 09:12 PM   #2
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That is a 1" line and should be fine to run your needs today and in the future, assuming that is the pressure is there.


When its all said and done there is usually more said than done

Last edited by Jackofall1; 12-18-2010 at 09:19 PM.
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Old 12-18-2010, 09:17 PM   #3
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my house is supplied with a 3/4" line and I run everything gas. furnace, range, water heater, dryer, even a garage heater, no problems.
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Old 12-18-2010, 09:20 PM   #4
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wow, thanks for the super fast responses! I appreciate the link and the help.

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Old 12-18-2010, 09:49 PM   #5
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Not another gas thread! Round 2
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Old 12-18-2010, 10:35 PM   #6
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The correct answer is.......42


Always ask to see your contractors license!
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