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Old 10-07-2010, 12:59 PM   #1
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gas supply pipe size for gas range


i currently have a 1/2" gas line going to the gas range in the kitchen (3/4" to about 6' from range, then coupled to a 1/2" line the rest of the way). I talked to a plumber for some unrelated work, and he pointed out that the gas range really should be 3/4" all the way. Is that correct?

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Old 10-07-2010, 02:49 PM   #2
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gas supply pipe size for gas range


Should be OK.

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Old 10-07-2010, 04:23 PM   #3
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gas supply pipe size for gas range


1/2 " sounds OK.
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Old 10-07-2010, 05:09 PM   #4
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gas supply pipe size for gas range


The plumber knows the BTU'S of the range. I don't run anything smaller than 3/4 to a range & use a 5/8'' flex connector at the range.unless, the house is on a higher pressure gas system
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Old 10-07-2010, 05:41 PM   #5
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gas supply pipe size for gas range


My vote is for the 3/4.
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Old 10-07-2010, 06:35 PM   #6
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gas supply pipe size for gas range


Quote:
Originally Posted by kenmac View Post
The plumber knows the BTU'S of the range. I don't run anything smaller than 3/4 to a range & use a 5/8'' flex connector at the range.unless, the house is on a higher pressure gas system
he never looked at the range. We were in the basement looking up at the pipes. What is the typical BTU rating of a range? So it seems the 1/2" is minimal code, but 3/4" is more appropriate in practice?

What's considered higher pressure? Do you need special gauges to measure it? I've heard typical is 0.5 ~1psi.
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Old 10-07-2010, 06:41 PM   #7
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gas supply pipe size for gas range


somewhere in the range of 65-70k total larger range more

Here you can get get 6'' wc or 2 # gas system. Lower pressures more volume with larger pipe. It will also depend on the length
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Old 10-08-2010, 12:56 PM   #8
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gas supply pipe size for gas range


Quote:
Originally Posted by acerunner View Post
i currently have a 1/2" gas line going to the gas range in the kitchen (3/4" to about 6' from range, then coupled to a 1/2" line the rest of the way). I talked to a plumber for some unrelated work, and he pointed out that the gas range really should be 3/4" all the way. Is that correct?

Turn your burners on one at a time. When you turn the 4th burner on, does the 1st burner have noticably lower output? No? 1/2" is plenty. Yes? go with the 3/4"...... assuming you regularly use all 4 burners on your range.

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