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12-07-2010, 03:48 PM
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#1
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,335
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Plumbing for flushing Black and Gray Tanks
My coach has the Macerator and the ability to disconnect the hose that ties
to the macerator and dump by hooking up the large hose. I'd like to have the ability to hook up and dump using the large hose without disconnecting the tie hose to the macerator. Ideally I'd also like to be able to close off the tie hose so I don't have to deal with the stuff still in that hose. If you are familiar with a connector to a garden hose that has the ability to attach two hoses and allows you to turn each of the two lines off or on, that's basically what I'm looking for.
Any company make something like that or has somone made a home grown version of what I'm looking for?
If so would like to see pictures.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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12-07-2010, 07:48 PM
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#2
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,593
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Is this Siamese Garden Hose Wye Valve 3/4 what you seek? They are widely available from any hardware store, walmart, etc. at a much lower price though.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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12-07-2010, 08:50 PM
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#4
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Senior Member
Join Date: Apr 2010
Posts: 691
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KKetterling- Believe what you have in mind you will have to construct yourself. A source for parts is www.tractorsupply.com or www. northerntool.com as both carry non metal parts for chemical tanks/lines/etc both on line and in their stores
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12-08-2010, 10:37 AM
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#5
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Senior Member
Monaco Owners Club Holiday Rambler Owners Club
Join Date: Feb 2010
Location: Buffalo, NY
Posts: 1,632
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Quote:
Originally Posted by Ray,IN
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If I read things properly, that's pretty much what he wants, if only it was 3 inches in diameter and had sewer hose bayonet fittings.
I'm not sure if it will fit, but I think something like the wye fitting Barlow46 posted could be the start.
Connect it to the dump valve outlet, and connect the macerator inlet hose to one side of the wye. Then you have another connection for using the sewer hose. I don't see any need to shut off the flow to the pump when using the sewer hose, just keep the drip cap on the outlet and don't turn on the pump.
Of course, when you don't have the hose connected and want to use the pump, you need something to cap off the unused end of the wye. You could use a regular drip cap, but I would probably go for another valve, if there is the room. A twist-on valve that has bayonet fittings:
Keep that always on the other end of the wye. Then when you want to use the hose, connect it to the valve, open the valve, then use the regular dump valves as you would do so normally.
The big question is will it all fit?
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I just keep the pump connected almost all the time. On the rare occasion when I do remove it, I open the hatch in the bottom of the compartment and put a bucket under it to catch the little bit of grey water that's sitting in the hose. Then I put a drip cap like this on the end of the pump inlet hose:
__________________
Adam and Sue, and a pack of little furballs
2007 Holiday Rambler Endeavor 40PDQ Limited Edition - Cummins ISL 400
2013 Ford F-150 FX4 toad - USGear Unified Tow Brake, Roadmaster Blackhawk II Tow bar, Blue Ox baseplate
Home base near Buffalo NY, often on the road to a dog show
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12-08-2010, 10:46 AM
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#6
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Senior Member
Monaco Owners Club Holiday Rambler Owners Club
Join Date: Feb 2010
Location: Buffalo, NY
Posts: 1,632
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Quote:
Originally Posted by ShapeShifter
I'm not sure if it will fit, but I think something like the wye fitting Barlow46 posted could be the start.
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Hmmm... I just took a closer look at this, and it appears to be the wrong gender. It has two ends with hooks (like a hose) and one end with the posts (like a valve.) I think you need one with two sets of posts (where you could attach the two hoses) and one set of hooks (that you can attach to the dump valve.)
If you browse the Valterra web site you'll find that they have all sorts of connectors and adapters. You might be able to find the bayonet fittings you need in a format that can be glued onto a regular plumbing tee. You might have to connect up a bunch of tinker-toys to get what you want, but you can probably find what you need.
It looks like most of the dual hose solutions out there are to connect two dump valves to one hole in the ground. You want to do the opposite and connect two hoses to one dump valve.
You could probably make the one above work by connecting one end with hooks to the valve, and the hose to the end with the posts. Then cut off the other connector with the hooks, remove the bayonet fitting from the macerator input hose, and clamp that hose directly to the smooth wall of the wye fitting. You'll still get a good flow to the sewer hose, but the flow to the pump will be through a hard 90 degree bend. While not ideal, the flow to the pump is probably slow enough that this isn't a big issue. The question is if "stuff" will get hung up going around that hard bend and cause a clog?
__________________
Adam and Sue, and a pack of little furballs
2007 Holiday Rambler Endeavor 40PDQ Limited Edition - Cummins ISL 400
2013 Ford F-150 FX4 toad - USGear Unified Tow Brake, Roadmaster Blackhawk II Tow bar, Blue Ox baseplate
Home base near Buffalo NY, often on the road to a dog show
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12-09-2010, 11:45 AM
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#7
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,335
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Thanks everyone. I think if I combine the the valve and WYE piece I'll end up with what I'm after. The key will be if I have the room. For me I want the valve on the side going to the Macerator maybe even both sides. The valve will help me avoid what I recently encountered when try to dump my tank. Got a clog in the Macerator when dumping the black tank and had to disconnect the hose to run water backwards through the Macerator to clear the pump. Needlessly to say it was a sh..ty job.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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