Gas pipe size?

Old 12-03-03, 06:21 PM
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Gas pipe size?

I am going to replace my electric range with a new gas range. What diameter black pipe do I need to run to the new range.
Old 12-03-03, 06:46 PM
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Hello: Paul. Welcome to my Gas Appliances topic.

I am not a licensed plumber but I can tell you the last section of pipe must be 3/4 inch at the stove. The feed line to the 3/4 inch line has to be 1 inch.

Which means, 1 inch all the way to the back to the source. The pipe which will be visable and the very last section before the place where the shut off valve gets installed, must be no less than 3/4 inch.

Any size smaller on either the feeder line or the last section of pipe will be too small to handle the full demand load of the appliance.

Stoves/ranges with ovens have high draw and high gas demand which requires gas in high volumes. Pipes which are undersized cause problems, which are than often incorrectly diagnosed. Not always is the appliance to fault.
Old 12-04-03, 01:06 PM
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Some of the newer high capacity stoves use 1 inch all the way, and can need larger for longer runs.

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