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08-03-2020, 06:49 AM
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#1
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Senior Member
Winnebago Owners Club
Join Date: Jul 2018
Location: NE Texas
Posts: 127
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White "rubber" water hose Pex fittings
The white "rubber" hoses that Tiffen uses in the water bay are connected with a Pex crimp fitting. These fittings are 18.5 mm and are not easy to find in the big box stores. Commonly found 1/2 inch fittings are too small and a 3/4 is too large. The fitting size is usually stamped on the fitting.
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08-03-2020, 06:59 AM
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#2
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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"Shark-bite" fitting??????
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Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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08-03-2020, 07:04 AM
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#3
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Member
Join Date: Jun 2015
Posts: 46
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You can order them at the Tiffin store.
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Kent & Margaret Louisiana Proud Cajuns
2018 Phaeton 40IH 2014 38QRA Red (sold)
Being push with 2020 Jeep Gladiator
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08-03-2020, 08:26 AM
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#4
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Member
Newmar Owners Club Freightliner Owners Club
Join Date: Feb 2015
Location: Plains
Posts: 66
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White "rubber" water hose Pex fittings
Those PEX fittings are used on PEX hose. Home Depot or Lowe’s will have everything that you need.
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2016 Phaeton 42LH
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08-03-2020, 08:29 AM
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#5
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Senior Member
Winnebago Owners Club
Join Date: Jul 2018
Location: NE Texas
Posts: 127
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Quote:
Originally Posted by jzeurcher
Those PEX fittings are used on PEX hose. Home Depot or Lowe’s will have everything that you need.
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I checked at both Lowes and Home Depot. They did not carry the 18.5mm fittings. I had to order them from Amazon.
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08-03-2020, 08:36 AM
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#6
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Senior Member
Winnebago Owners Club
Join Date: Jul 2018
Location: NE Texas
Posts: 127
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Quote:
Originally Posted by Old Scout
"Shark-bite" fitting??????
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Not sure if the SharkBite fittings would work on the soft hose. I have not found any metric Sharkbite either.
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08-03-2020, 10:05 AM
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#7
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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...not sure shark bite is that particular about the exact size?????? Curious--would a uniquely sized ban require a uniquely sized crimping tool??????
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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08-03-2020, 11:39 AM
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#8
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Senior Member
Winnebago Owners Club
Join Date: Jul 2018
Location: NE Texas
Posts: 127
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Quote:
Originally Posted by Old Scout
...not sure shark bite is that particular about the exact size?????? Curious--would a uniquely sized ban require a uniquely sized crimping tool??????
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Crimp tool for the 18.5mm is the same for 1/2 and 3/4 inch. The issue I see with the shark bite is that they are made for Pex which is more rigid that the hose.
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08-03-2020, 12:59 PM
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#9
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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Agree--you might find a brass bushing to fit the ID of the rubber hose but an 18.5 mm crimp bad might be the best solution...
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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08-03-2020, 02:08 PM
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#10
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Senior Member
Join Date: Jul 2009
Posts: 1,978
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Most of the plumbing in my coach is the referenced "white" hose. I have installed numerous shut off valves with regular pex fittings and cinch clamps from Lowes/HD/Menards. The only issue has been that some of the cinch clamps are hard to slip over the flex hose.
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ernieh
2019 Phaeton 37BH
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08-03-2020, 02:53 PM
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#11
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Senior Member
Winnebago Owners Club
Join Date: Jul 2018
Location: NE Texas
Posts: 127
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Quote:
Originally Posted by ernieh
Most of the plumbing in my coach is the referenced "white" hose. I have installed numerous shut off valves with regular pex fittings and cinch clamps from Lowes/HD/Menards. The only issue has been that some of the cinch clamps are hard to slip over the flex hose.
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The clamps used by Tiffen are 18.5 mm. I tried the 1/2 inch and as you say they are very hard to get over the hose and very hard to crimp. That is why I went to the 18.5 mm fitting.
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08-05-2020, 08:19 PM
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#12
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Senior Member
Join Date: Apr 2019
Location: Arisona
Posts: 703
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They always seem to leak if you mess with them. Odd size and brittle fittings (china I suspect) so I just keep a supply of regular ss hose clamps handy.
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2023 GD Imagine XLS 23LDE 2022 Ford F-150
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