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Old 09-16-2019, 08:51 PM   #1
seven_osavage
 
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Default Need Feedback On Simple Water System Diagram

Hey ya'll, I am about to embark on actually connecting pipes for my water system and since you guys have been so knowledgable in the past I thought I'd run my water system diagram by you.

* In general I'm planning to use 1/2" PEX piping with sharkbite connectors.
* The only things that arent going to be 1/2" PEX are the fill pipe & gravity drain pipe.
* I'm looking for a "smell stopper" after the sink & shower but can't seem to find this product anywhere?

Would love any additional feedback from ya'll!

Thank you in advance!
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File Type: jpg Water System.jpg (29.3 KB, 145 views)
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Old 09-16-2019, 10:24 PM   #2
Graphite Dave
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Default Re: Need Feedback On Simple Water System Diagram

Quote:
Originally Posted by seven_osavage View Post

* I'm looking for a "smell stopper" after the sink & shower but can't seem to find this product anywhere?
If you have a grey water tank under the floor, the smell stopper can be simple. Make a "trap" with the drain piping. Drain pipe path can make a "trap". From sink and shower run the pipe down below the tank and enter the tank bottom instead of the top. The first water will fill the drain piping below the tank bottom to seal the tank from the open drains.

https://www.ortontransit.info/gray-water
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Old 09-16-2019, 10:48 PM   #3
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Default Re: Need Feedback On Simple Water System Diagram

My advise is to buy the crimping tools and barbs... stay as far away from the shark bites as possible.
Especially those coming from ROC sold in the big box stores.
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Old 09-16-2019, 11:31 PM   #4
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Default Re: Need Feedback On Simple Water System Diagram

Here are what a lot of units are installing in lieu of a trap:

https://hepvo.com
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Old 09-17-2019, 12:50 AM   #5
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Default Re: Need Feedback On Simple Water System Diagram

Your uploaded image is 27k and too blurry to read....

I will second using the tool and pinch clamps. It was much easier than I anticipated.

Don't put brass male npt into female plastic npt.

Just use barbed fittings and the appropriate flexible hose for the water pump feed and pressure side. The silencing kits are a rip off.


The Hepvo valves are fantastic.

Consider some sort of water filtration. I'm so happy to have a two filter setup. You are going to find some scuzzy water out there. If you plan to drink it....filters are awesome.

The Ambassador marine shower valve is awesome.

Do you plan on winterizing your system? Design it so you can gravity drain it for winter.

https://www.amazon.com/gp/aw/d/B003I...b_b_asin_title

Last edited by wankel7; 09-17-2019 at 12:54 AM.
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Old 09-17-2019, 01:33 AM   #6
hein
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Default Re: Need Feedback On Simple Water System Diagram

Those plastic accumulator tanks aren't that great. You don't need it.

All the best,
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Old 09-19-2019, 08:42 PM   #7
wankel7
 
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Default Re: Need Feedback On Simple Water System Diagram

Quote:
Originally Posted by hein View Post
Those plastic accumulator tanks aren't that great. You don't need it.

All the best,
Hein
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I used the shurflo 4008 in a trailer with no accumulator.

When I did the van I got the same pump and added the accumulator... mainly because everyone else got the accumulator. When I read the pump manual it said the accumulator was not needed. I decided to install it anyways because I couldn't return it.

I couldn't be happier. The pump cycles less and when trickling water the flow is nice and steady.... just like it had residential water pressure. Much better than just the pump.

While it isn't needed.... it is very appreciated.
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Old 09-20-2019, 03:26 PM   #8
seven_osavage
 
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Default Re: Need Feedback On Simple Water System Diagram

Thank you guys for the feedback so far, super helpful!!
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Old 09-20-2019, 08:10 PM   #9
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Default Re: Need Feedback On Simple Water System Diagram

Why use 1/2" PEX? I just replumbed my 2015 Great West Van with 3/8". The tradeoff is very slight decline in max water flow for much less water down the drain waiting for hot water to appear. The smaller diameter also made it easier to route all the tubing inside the van's insulated envelop instead of running lines under the floor and more subject to freezing.
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Old 09-20-2019, 08:17 PM   #10
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Default Re: Need Feedback On Simple Water System Diagram

One other consideration my be a ball valve here or there in order to maintenance the heater or other components in the system without having to completely drain the tank. I have one going to a coiled hose at the back door. I don't trust the cheesy coiled hose all that much (if it sprung a leak, it would pump until the tank is empty) so only open the ball valve when I need that hose.
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