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-   -   E21 Hose band removal (http://www.escapeforum.org/forums/f9/e21-hose-band-removal-8410.html)

bjp447 08-13-2016 07:41 PM

E21 Hose band removal
 
I am having some plumbing issues on the 21
First the Toilet Valve broke, lesson learned - close water source when leaving trailer
Now I have a hose split, easy to get to, it is the clear braided hose that goes to the pump under the bed. One end unscrews from the pump, the other end goes to a fitting on the cold water line.
problem the end of the hose is clamped with what appears to be a 1/2 band of Metal??? on a plastic fitting. I can't figure out how to get that band off. Added frustration all the fittings there (4) have the same type of clamp so I can't pull a the fittings out to work on them. Anyone have any idea how to get these little clamps off??? It is not in a place I can use a small grinder and if I break the plastic fitting I am really screwed.
Personal note; whatever engineer figured this was a good idea because water hoses never break aught to find a different, simpler job!

thoer 08-13-2016 08:10 PM

I think what you are seeing it the crimp ring bands used on PEX water pipes. It is pretty much the standard way to attach PEX pipes. They make special tools to cut off the bands, but I've used my Dremel tool or a hack saw blade to carefully cut off the band without damaging the PEX. There are basically band type and crimp type connectors for PEX, or a "sharkbite" type connectors that work with PEX. The ones Escape uses are the band type and are the most commonly used by professionals. Both band ones need a special tool, the sharkbite ones do not.

bjp447 08-13-2016 08:13 PM

Can you get the tool at Home Depot or Lowes?
I don't have the room to get a Dremel or hacksaw in there
Thanks also for giving a name to my problem

Donna D. 08-13-2016 08:18 PM

Unless you plan on replumbing the entire trailer, you'll probably want to rent the PEX tool. They're very expensive.

thoer 08-13-2016 08:23 PM

Quote:

Originally Posted by Donna D. (Post 155712)
Unless you plan on replumbing the entire trailer, you'll probably want to rent the PEX tool. They're very expensive.

The crimp tools are not too expensive, I have this one. But we have a greenhouse that I needed to do some work on. Some folks report very good luck with the sharkbite types.
The special tools for cutting the bands look like this. Cutting them loose was about the hardest part of changing my water pump.

bjp447 08-13-2016 08:26 PM

Just watched Utube on clamp removal, I think I am going to change them all to copper/brass fitting using the shark connectors. Sometimes I really miss my Casita

thoer 08-13-2016 08:28 PM

Quote:

Originally Posted by bjp447 (Post 155714)
Just watched Utube on clamp removal, I think I am going to change them all to copper/brass fitting using the shark connectors. Sometimes I really miss my Casita

New Casitas probably use PEX and the same connections - it has become pretty standard in plumbing. The PEX is supposed to be much more resistant to damage if it ever gets water frozen inside.... not that I want to test that!

jennykatz 08-13-2016 09:49 PM

plumbing
 
sharkbite is the way to go if a pex fitting goes bad or you have to put in a shutoff valve or whatever use the sharkbite it's less expensive then buying the pex tools .If your doing the whole trailer over, go buy the pex tools but for 1-2 fittings the sharkbite is the way to go
We installed a pressure tank in our Snoozy and just cut the pex lines and used all sharkbite pieces .

Brian B-P 08-14-2016 12:00 AM

The confusing thing about people referring to "sharkbite" connections and tools is that in some cases they mean the "push-fit" O-ring sealed fitting type that connects without tools, and in other cases they mean SharkBite brand tools and components used for the entirely different crimped barb connections.

Unrelated to the SharkBite name, there is actually another connection method for PEX: expansion (see video demo). There are power tools which expand the tubing, which then slips easily over the barb of the fitting and contracts to fit tightly without needing a crimped ring clamping it. There is a ring used, but it is just a bit of larger PEX tubing to reinforce the joint. If crimping tools look expensive for occasional use, this system is worse!

I've used the O-ring connectors, but I don't really trust them. They depend heavily on a near-perfect outside surface of the PEX tubing, and although it seems like they work fine for everyone, I shudder at the thought of one leaking inside a cabinet. Now that I know about the band-cutting tool (thanks Eric :)) I'll probably do only crimped rings on barbs with PEX in the future. I don't mind buying the tools - a single visit by a plumber would cost as much as basic tools, and they're last a lifetime (or what I have left, anyway).

SFDavis50 08-14-2016 12:20 AM

Are you using a city water pressure regulator?


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