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  #1  
Old 12-16-2019
speeddixon speeddixon is offline
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Join Date: Mar 2016
Location: Hilton Head Island
Posts: 259
Default Upgrade to water Manifold per leak inside coach

I have that gray polybutylene plumbing pipe throughout our coach. Since owning for 3.5 years I have had 2 water leaks. The first was under the bathroom sink. The hot water shut off valve blew apart one afternoon, with water pump on and me sitting on the coach watching a movie while wife is gone. I didn't hear anything. She comes back home and says water is running out on the ground. So that happened two years ago. What a struggle to find a HD and get what was needed to fix the leak.

Now a week ago, I found that I have another leak, it's small but needs to be fixed. It's behind the shower, so pulled out the soap holder hoping to find the leak at the valve. No, no such luck so start to dig around behind the toilet to see what I could see. Nothing. Then pull out my endoscope camera, and there is the leak. It's in the tee off of the main ¾" line on the floor and the tee that sends water up to the shower valve. So now what? I can't and wife can't reach it. So I called a midget to come over and he can't reach it. (well not really) Also, the main line that carries cold and hot water to all the faucets is wrapped with heat tape, GREAT ****.

Solution: I have always wanted to do this upgrade because of the first leak years ago.

Like the newer BB that have water distribution manifolds, I want one also. Reason is that if there is a leak in my coach '96, I have to turn all the water pressure sources off. Now I have no water. With a manifold you can shut off individual areas and still have water. Another reason to do this upgrade is that it gets rid of all the Polybutylene plumbing connections.

But to install a manifold in my coach would cause me to drill 9 holes through the floor and feed 9 lines up from the water bay (might be doable in other coaches, but not mine) because the holes would be behind the shower wall and there are one big bundle of wire and hoses to contend with. Not me.

So I installed two mini manifolds inside the coach, behind the toilet. Main water comes from the water bay and up to the manifold, then the water is distributed to all the faucets. No more Polybutylene connections and should be good to go for at least another 20+ years.

https://www.supplyhouse.com/Viega-MINIBLOCs-11881000
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Last edited by speeddixon; 12-17-2019 at 10:15 AM. Reason: Forgot picture
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  #2  
Old 12-16-2019
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Kiwi3 Kiwi3 is offline
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Nice!
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  #3  
Old 12-16-2019
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dlefty dlefty is offline
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Nice writeup and great PEX plumbing! That must of been a big job!
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  #4  
Old 12-16-2019
Zog Zog is offline
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Looks nice! And thanks for the info on the manifolds. I really want to do this in the future. Another project added to the list!
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  #5  
Old 12-16-2019
badandy badandy is offline
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Why so messy with all the pipes? Kidding, looks great!
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  #6  
Old 12-16-2019
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Chief607 Chief607 is offline
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Quote:
Originally Posted by speeddixon View Post
I have that gray plumbing pipe throughout our coach. Since owning for 3.5 years I have had 2 water leaks. The first was under the bathroom sink. The hot water shut off valve blew apart one afternoon, with water pump on and me sitting on the coach watching a movie while wife is gone. I didn't hear anything. She comes back home and says water is running out on the ground. So that happened two years ago. What a struggle to find a HD and get what was needed to fix the leak.

Now a week ago, I found that I have another leak, it's small but needs to be fixed. It's behind the shower, so pulled out the soap holder hoping to find the leak at the valve. No, no such luck so start to dig around behind the toilet to see what I could see. Nothing. Then pull out my endoscope camera, and there is the leak. It's in the tee off of the main ¾" line on the floor and the tee that sends water up to the shower valve. So now what? I can't and wife can't reach it. So I called a midget to come over and he can't reach it. (well not really) Also, the main line that carries cold and hot water to all the faucets is wrapped with heat tape, GREAT ****.

Solution: I have always wanted to do this upgrade because of the first leak years ago.

Like the newer BB that have water distribution manifolds, I want one also. Reason is that if there is a leak in my coach '96, I have to turn all the water pressure sources off. Now I have no water. With a manifold you can shut off individual areas and still have water. Another reason to do this upgrade is that it gets rid of all the Polybutylene plumbing connections.

But to install a manifold in my coach would cause me to drill 9 holes through the floor and feed 9 lines up from the water bay (might be doable in other coaches, but not mine) because the holes would be behind the shower wall and there are one big bundle of wire and hoses to contend with. Not me.

So I installed two mini manifolds inside the coach, behind the toilet. Main water comes from the water bay and up to the manifold, then the water is distributed to all the faucets. No more Polybutylene connections and should be good to go for at least another 20+ years.

https://www.supplyhouse.com/Viega-MINIBLOCs-11881000
Nicely done Sean Looks awesome
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Benny Hill our travel mate
Branson, Mo
1999 Blue Bird 43LXi
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  #7  
Old 12-16-2019
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Randy Dupree Randy Dupree is offline
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Nice work my friend!


Sean and i talked this mod over for a little while and he decided to put the manoblock inside the coach,i like his idea!
Very nice!
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  #8  
Old 12-16-2019
oldmansax oldmansax is offline
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Looks Good!


TOM
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  #9  
Old 12-17-2019
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susanmarycamilleri susanmarycamilleri is offline
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Sean
Very nicely done. I have to do this as well. I have only had one small leak on the outside tap in the waterbay, but with the polybutylene plumbing it is only a matter of time.
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Mid Door
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  #10  
Old 12-17-2019
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Randy Dupree Randy Dupree is offline
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The 97 WB and newer LXI and LC had the manoblok in the bays,Seans did not have a manoblok but it only made sense to add one when he replumbed the coach.
Adding it inside the coach saved drilling lots of holes in the floor,and its freeze protected.
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