I think what you're looking for is SDR 35 sewer and drain pipe. It's
typically used for septic drain fields. Any place that sells irrigation
and plumbing supplies should carry it. The Borgs might not. (I have
plumbed my shop dust collection system with 4" S&D pipe.)
As for your main problem, I'm afraid I have no ideas.
Brian Kemp wrote:
> The pipe will likely be Home Depot SKU # 189781 4 inch Polyethylene
> drain pipe, cemented together. I'll check other stores to see if I can
> find the style they used to carry with the bell ends - I think that is
> the term for the flared pipe that doesn't require a fitting, so is
> likely to be a stronger joint.
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