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Old 02-17-2022, 03:19 PM   #1
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straight 4-in-1 sewer adapter?

Does anyone know where I can buy a straight 4-in-1 sewer adapter with lugs? I find lots of 4-in-1 adapters but all are elbows and won't fit my needs. I can find a straight threaded adapter with lugs but it's a single size, not universal. I could use a straight 4-in-1 adapter with bayonets if I incorporate a double-lug adapter in the plan.

I'm using a macerator pump to drain my portable tank from the bed of my truck to the sewer cleanout in the front yard. That sewer cleanout is 1 foot below grade and protected from being buried by a 6 inch pipe down to it. The threaded cleanout cap is at the bottom of the pipe. A standard elbow ends up pointing at the wall of the 6" pipe rather than straight up where I can use it. The cleanout is on community property and I cannot modify it.

My workaround is to connect the drain line from the macerator pump to a sewer cap with a hose connection. That cap is then connected to the short length of 4" sewer hose that came with my Rhino 28 gallon tank. I drop the other end of the sewer hose down the 6" pipe and jam it into the opening of the sewer cleanout.

That works and it all drains into the cleanout. If anything spills it's not much, is below grade and soaks into the ground, but I'd rather have a closed connection. Hence my search for a 4-in-1 adapter with lugs, so I can connect the bayonet end of the sewer hose to it.

If you have an idea for an alternate arrangement that doesn't require buying too many new pieces, I'm open to suggestions.
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Old 02-17-2022, 03:48 PM   #2
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I might not fully understand your setup but why not just use a garden size hose connected to your pump and place down the sewer inlet, I thought the maceration pumps were designed for this enlighten me
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Old 02-17-2022, 04:51 PM   #3
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I might not fully understand your setup but why not just use a garden size hose connected to your pump and place down the sewer inlet, I thought the maceration pumps were designed for this enlighten me
I'm hoping for a closed connection between the hose and the sewer inlet. I can't put the lay-flat hose down the hole because it will kink. It needn't involve 4" sewer hose but that's what I have in a short length. Maybe will get a short length of non-kinking 3/4" garden hose to connect to end of the lay-flat hose.
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Old 02-17-2022, 04:54 PM   #4
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Originally Posted by chriscowles View Post
I'm hoping for a closed connection between the hose and the sewer inlet.
The inlet in the ground or on your tank?

EDIT:

Nevermind, I think I see what you are trying to do.
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Old 02-18-2022, 03:55 AM   #5
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The Camco gray water seal sewer fitting with a garden hose connection available on Amazon for less than $15 may work.
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Old 02-18-2022, 10:30 AM   #6
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The Camco gray water seal sewer fitting with a garden hose connection available on Amazon for less than $15 may work.
Hmm... assuming you're referring to this: Camco-39322-Water-Sewer-Fitting B0002F676O, it might. In fact, I might already have both parts in a box somewhere from back in our pop-up days, and forgot about them. I'll dig around in the garage. Thanks!
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Old 02-18-2022, 02:39 PM   #7
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You have the solution. Replace your "lay flat" hose with a proper 3/4" premium "garden" hose for use at home only. You needn't tote it with you. Just hang it on a hose hanger outside the garage.

Flush out this hose with clear water after use, and then join the ends together for storage.

This hose presents less resistance to flow than a collapsible hose, so it's better for your macerator pump.

I simply push my "garden" hose about 3' down the cleanout pipe to hold it securely and avoid any spillage.

If you want a "closed" system, it's likely that your cleanout has a threaded cap. Buy as spare threaded cap, drill a hole in the cap to accommodate the "glue" side of a hose adapter - female or male - glue it in place, and attach your hose to the threaded fitting. A lot of work for no real advantage, but that's possible.

Links are illustrations, not recommendations.
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Old 02-18-2022, 02:40 PM   #8
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Hmm... assuming you're referring to this: Camco-39322-Water-Sewer-Fitting B0002F676O, it might. In fact, I might already have both parts in a box somewhere from back in our pop-up days, and forgot about them. I'll dig around in the garage. Thanks!
Also an excellent solution.
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