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Topic: What looks better downpipe to aco drain? or, Downpipe straight into acid rain? or

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George91

Apprentice

Group: Members
Posts: 5
Joined: May 2019

Posted: 16 May 2019,11:32

Hi I’m going to install a aco drain against my house, should I have the down pipe straight into the aco or a hopper/trap next to aco drain?

What looks more professional?
If a hopper should I have a bottle trap with a inlet for the aco drain and have no trap on the aco drain?

Regards George

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George

lutonlagerlout

Chief tea boy

Group: Moderator
Posts: 15144
Joined: Aug. 2006

Posted: 16 May 2019,20:25

I prefer a shoe on the bottom of the downspout
looks better
LLL

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Tony McC

Site Agent

Group: Moderator
Posts: 11037
Joined: July 2004

Posted: 22 May 2019,10:18

It's always best to 'trap' a SW drain, whether it's a gully or a linear channel. At the very least, it helps control "odours" that can affect any SW system.

Whether you connect the linear channel via a gully, a sump unit or a P-trap doesn't really matter, but I would most definitely "trap" the connection somehow.

Downspouts plumbed directly into the linear channel by cutting a hole in the grating are fine, if you like that look, but if you do choose that option, make sure there's a leaf-guard fitted at the channel outlet, as leaves from the roof will be washed directly into the channel and they have a nasty habit of obstructing outlets. Downspouts with a standard shoe-fitting discharging onto a channel with grating rely on the grating to act as the "leaf-guard" so blocked outlets tend to be less of a problem.

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