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How to use EasyDRAIN Pit Boss Connector in a rainwater pit installation?

Hey guys, I am doing a small rainwater pit install and I had a few questions about using Everhard EasyDRAIN Pit Boss Connector

I have a pit case and some dwv pipe

My first question is whether I slide the connector from inside of pit case to out, or from outside in? I would have surely thought outside in (otherwise it would be very hard to get the screws in from inside the case), but there is a comment on the pit connector page that I think states otherwise. Just wanted to confirm.

My second question is how do I best secure the dwv pipe to the connector? It slides in nicely, but how does it stay there? Solvent cement?

Thanks as always!

Denis

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Comments

MitchellMc

Hi @denisl,

After you've drilled your hole in the side wall of the pit, the square flange of the Pit Boss should be offered up to it on the outside and stainless steel screws used to secure it in place. Silicone can be used to seal the joint between the Pit Boss flange and the wall of the pit. The square flange sits against the wall of the pit; the circular section does not pass through the hole, whether from the outside or inside.

Once in position, apply solvent cement to the end of your pipe and the Pit boss to secure it in place.

I think what's happened with that comment is they've pushed the circular section through the hole from the outside and then realised you can't push the hose into the back of the Pit Boss. They've then pushed the circular fitting through the hole from the inside, and the pipe will then connect. However, as mentioned, the circular section does not pass through the hole at all. The square flange is stuck and screwed to the outside of the side wall. I've created a rendering for you below, which should illustrate better.

Please let me know if you have any questions.

Mitchell

denisl

https://www.workshop.bunnings.com.au/discussion/comment/43576#Comment_43576

Hi @MitchellMc ,

Thanks very much, very informative reply as always!

I just want to clarify something you said: "the circular section does not pass through the hole". The circular section you are referring to is the shorter circular side of the pit boss connector, right? I will try illustrate the question with a picture:

The red arrow is the circular section you're talking about?

Is my picture above how it is supposed to sit in the end (with silicone and screws)? Does that mean the hole in the pit wall has to be ever so slightly smaller than the inner diameter of the circular section? To prevent the circular section from sliding in?

Cheers,

Denis

MitchellMc

https://www.workshop.bunnings.com.au/discussion/comment/83895#Comment_83895

The hole in the pit wall needs to be ever so slightly larger than that smaller circular section @denisl. That little bit goes inside the hole, making it a flush fitment of the flange. The larger circular section doesn't pass through the hole, and what I was talking about.

Sorry, I didn't realise there was a small circular section.

Mitchell

denisl

https://www.workshop.bunnings.com.au/discussion/comment/106913#Comment_106913

Thanks very much again @MitchellMc , that clarifies everything for me 🙂

Warm Regards,

Denis

tom138

https://www.workshop.bunnings.com.au/discussion/comment/106913#Comment_106913

Hey @MitchellMc,

Apologies for re-opening an old thread but I have a similar question so posting here rather than starting a new one.

It seems like it is not possible to install the pit boss lower than this (the photo doesn’t show it quite well but basically I have the bottom end of the flange as close to the bottom edge of the pit as possible):

It doesn’t go low enough. I need my outlet pipe to sit at the bottom of the pit to avoid water sitting in the pit and also to accommodate the inlet pipes which are quite low and I assume they should be higher than the outlet. Am I missing something or is it just flawed design?

Are there alternative ways of connecting a 100mm PVC outlet pipe?

Thanks,

Tom

MitchellMc

https://www.workshop.bunnings.com.au/discussion/comment/121443#Comment_121443

Hi @tom138,

By nature of the design, there's always going to be a tiny amount of water left in the bottom of the pit. You should be able to get it a bit lower than what you've pictured, though. I suspect the thickness of the insert lip will prevent all water from evacuating to pit. With some very precise drilling, you could probably get the fitting to sit flush with the bottom of the pit.

I've added a rendering below to illustrate.

Mitchell

tom138

https://www.workshop.bunnings.com.au/discussion/comment/129685#Comment_129685

Hi @MitchellMc,

Thanks for the suggestion. I might just use the top two holes to secure the pit boss or maybe drill new ones a bit higher to have it as low as possible.

The issue is the the flange design itself, which has sort of lip here:

I think there will still be at least 3cm of water sitting at the bottom of the pit. I might just need to fill it with a bit of concrete but I wonder why did they design it like this….

MitchellMc

https://www.workshop.bunnings.com.au/discussion/comment/134877#Comment_134877

That does appear to be an issue @tom138. I'd take a file and create a little slot in the bottom of the rim to allow better drainage.

Mitchell

tom138

https://www.workshop.bunnings.com.au/discussion/comment/138283#Comment_138283

I just realized that it is there probably to secure a 90mm pipe but I’m installing 100mm and this reduces the flow significantly.

I might just install the pipe directly and silicone it or perhaps secure the connection by modifying one of these:

tom138

https://www.workshop.bunnings.com.au/discussion/comment/138283#Comment_138283

Hey @MitchellMc,

I ended up going with your suggestion but took a bit more than a little slot but still have a strong connection. I could have taken the whole rim off since I’m using a 100m pipe but this drains quite well.

I thought I’d leave few pictures here if somebody runs into the same issue:

I could have gone a bit lower but was worried about going too low. Thinking about it now I would probably drill a small hole at the very bottom from the inside first and then make a hole for the pipe from the outside using that as the bottom edge if I did it again. Oh well… next time

Still drains quite well. I can live with this much water left in the pit 😉

Anyways thanks for your help!

EricL

https://www.workshop.bunnings.com.au/discussion/comment/140567#Comment_140567

Hello @tom138

Thank you very much for that update. Your pipe connection looks good. My best advice is to make sure to put a generous amount of adhesive on both the connector and the PVC pipe.

If you need further assistance, please let us know.

Eric

volkerku

https://www.workshop.bunnings.com.au/discussion/comment/134877#Comment_134877

I'm about to install one as well, for a downpipe - rainwater..

Wouldn't it make sense to have the outlet pipe slightly higher in the pit. Reason, to capture sediment before it disappears down the drain (in my case a soaking pit). Preventing clogging in the future. Same as the leaf filter one can add to the pit, but for sediment.

EricL

https://www.workshop.bunnings.com.au/discussion/comment/138670#Comment_138670

Hello @volkerku

If you are installing the same pit there is no reason why can't install the outlet pipe just a little bit higher to capture the sediment in the rainwater. Just a friendly reminder that if you are connecting to your storm water pipe, you'll need to engage the services of a registered plumber so that the connection is done safely and in compliance with plumbing regulations and local council rules.

If you need further assistance, please let us know.

Eric

denisl

https://www.workshop.bunnings.com.au/discussion/comment/138670#Comment_138670

@volkerku It definitely makes to install it higher, just keep in mind pooling water may become a breeding ground for mosquitoes.

Cheers,

Denis

Jess-L

Apologies to revive this thread but what specific hole saw size is required to fit the pit boss including that lip into the pit?

Seems like anything over 100mm can cost an arm, any other affordable options or other tools to use to cut in the pit ?

Thank you

EricL

Hello @Jess-L

I propose looking at using the Craftright 16 Piece Holesaw Set. Its sizes include 19,22,29,32,38,44,54,72,76,92,102,127mm, it's suitable for wood, particle board, plaster and plastics. If you are looking for something in the middle such as 110mm, I suggest using the 102mm hole saw and using the Craftright 3 Piece Wood Rasp File Set to make the hole bigger.

Let me call on our experienced members @Nailbag and @Dave-1 for their recommendations.

If you need further assistance, please let us know.

Eric

Nailbag

Hi @Jess-L

That Craftright 16 Piece Holesaw Set @EricL suggested though is low quality would do the job fine in this application and priced accordingly. You will just need to be mindful that it will grab (all larger ones do this) while drilling. And you will need a decent drill due to the diameter. So let the teeth of the saw do its job and don't press too firmly.

Nailbag

Dave-1

Good morning @Jess-L

Id go for the cheap set to cut the hole, for what you need and how infrequent you need it, it should do the job :)

I had the same questions when working with that pit and 100mm PVC pipe. I screwed it through from the inside so the screw threads were outside. I just used a short stubb screwdriver after drilling pilot holes beforehand. The small amount of water in teh bottom (around 5mm. really dosnt stay in the bottom of my pits. It dries out /drains away.

Here is part one of the stormwater project, you can see the inside of the pit around half way down the page :)

https://www.workshop.bunnings.com.au/discussion/151836/stormwater-rectification-stage-1

Dave

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