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Old 11-04-2016, 07:28 PM   #16
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Re: Gas line to generator

Originally Posted by supers05 View Post
Actually, it won't matter with 1" pipe. It can handle 374cu.ft/hr or roughly 374,000 btu/hr. That's at 7-14" WC. Up to 1" drop.

So, unless you have a airplane hanger for a house, I think you'll be fine.

Good news, thanks!
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Old 11-04-2016, 07:51 PM   #17
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Re: Gas line to generator

Looked over our code. Apparently it's 15" to the top of the pipe. (I've always used 18" since we usually bury 2" pipe.)

We can use type K copper for underground, or either type g or L if it's "externally coated with extruded

polyethylene or PVC resin at the time of manufacture." = Expensive and rare.

Either way, you'll need a tracer wire to run the length of the underground portion. (it's not actually wired to anything just left tied to the pipe above ground at both ends.)

It's highly recommended that you lay down some yellow tape or string above the pipe. 6" or more will do. It helps if you forget where the line is, and the tracer is long corroded. Can be any locally available cheap stuff. Just something recognizable.

You'll need a shutoff valve before it enters the ground, and before the geny.

At 8kW, it won't power much, so I'm guessing you're just running extension cords. If you end up upgrading to something larger, post in the electrical side if you put a transfer switch in.

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