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Old 22-05-2020, 20:05   #1
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PVC or Marelon for 1-1/2" Sanitary Elbow

Facing the chore of replacing the hose on my head. Got the good hose but there are two 90 degree bends that I don't like and while the 102 hose might make the bend it's not likely to be very happy.
I have seen some PVC elbows (sch 40) that suit this purpose an provide a nice smooth transition, which makes sense for solids flow, however these unions will be below water line and of course they carry effluent...
The Marelon offering is going to be two pieces threaded together and forming a tight 90 (nice for fit but not for flow?).
I would really appreciate some feedback. Regret that I couldn't find a thread that handled this.
Thanks much for your consideration!
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Old 22-05-2020, 20:27   #2
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

Perhaps a fiberglass exhaust elbow would suffice?
https://www.defender.com/product.jsp?path=-1&id=2682307
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Old Yesterday, 05:55   #3
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

Dometic/SeaLand has a complete selection of PVC tank and inline fittings SeaLand PVC hose fittings A bit on the expensive side, but excellent quality.



--Peggie
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Old Yesterday, 05:59   #4
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

I use PVC with 90 degree hose barb fittings for tight corners.
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Old Yesterday, 07:31   #5
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

Quote:
Originally Posted by RLaird View Post
Got the good hose but there are two 90 degree bends that I don't like and while the 102 hose might make the bend it's not likely to be very happy.

We just used Saniflex hose, 90 bends not an issue. Bends weren't all that tight, in our case...

-Chris
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Old Yesterday, 08:04   #6
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

Thanks for the responses and suggestions!

I was concerned with the PVC option for strength but having a 'blessing' from Peggie, along with another user gives me faith that this is a viable path.
Stay safe and enjoy this Memorial Day weekend. Thanks for those who serve(d)
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Old Yesterday, 08:05   #7
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

She's a fine looking Spray!
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Old Yesterday, 08:06   #8
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

Thanks for taking the time Peggie. I was really hoping to get your direction/blessing!
Best wishes,
Rob
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Old Yesterday, 09:53   #9
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

You might want sweeping elbows in sanitation piping. Sharp right angles are clog points. I am forced to have one sharp right angle in my setup and it does get clogged from time to time - mostly due to land lubber guests that like to use a lot of TP.
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Old Yesterday, 20:54   #10
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Re: PVC or Marelon for 1-1/2" Sanitary Elbow

I have used curved electrical conduit to get a gentle bend--it works fine. Use double hose clips, and you should have few problems if any. Sharp right angle bends are just asking for trouble no matter how neatly they fit into corners.
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