How to know if product is okay to use outside?

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sw_ross

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NoDak
I don't run a lot of RMC. Mostly use it for service risers.
I don't own a threader or any mechanical bender, too expensive to justify for my small operation.

I have to run some 2" on a flat roof to get to the place where I'll 90 up for the riser.
Inspector already said it has to be RMC.
I know there will have to be a couple of cuts, which means shorter sections need to be connected.

I've already asked on the forum about options and it was suggested to use a compression coupling for RMC. Thomas Betts makes one, Cat. No. HK 406.

I'm trying to figure out if it's usable in this environment, wet location.
Nothing in their catalog says anything about that.
I can't afford to get this project going just to have the inspector red flag me for this issue. I would choose to decline this job rather than have to deal with fixing an improper install!

Any feedback as to how I can confirm that I can use this coupling in this application would be greatly appreciated!
Thanks!
 
That 8620 coupling that you linked to say's raintight in the specs, did you go somewhere else to see that it wasn't?

Those Canadians only like the Nor' Dakotan's that are Norwegian!!
I'm mixed blood, Scottish/German! Oh well...
 
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