I have a Jayco travel trailer. I needed to replace the shower hose, so I bought one off of Amazon. I can screw the 'head' end of the hose onto the head, no problem. However when I go to screw the other end onto the faucet diverter, it goes on maybe a half turn and sticks. At this point the internal mating surfaces are not pressed together - the hose rattles loosely in the nut - so it is not a watertight seal. I've played with this for hours, although the fittings look the same, and the thread pitch is the same, the fittings won't go together. Has anyone had this issue before? Is there some adapter I need? I thought these things were all 'universal'. BTW, this is the hose I bought. Cheap enough to just get a different one, but I don't know if that will help. Blissland Shower Hose

Odd every shower fitting I've seen is 1/2 inch pipe thread, 1/2 NPT.

Go to a hardware store and bring your head (shower head, too). Let them take a look so you can purchase the right one.

Both ends appear to be the same size.Does the shower head screw into the other side? It it only goes 1/2 turn it sounds like a difference in threads or a bad thread job.

if I grab a 1/2 NPT male, I can screw it into either end of the hose. However on the end that goes into the diverter, I can only get it a few turns before it starts to tighten. The threads are definitely 1/2"-14, but maybe the taper is off? I can actually get it more than 1/2 turn onto the diverter - that was a mistake - but I can't get it tight enough to mate the washers. The thread get tight before the washers mate.

Can you maybe put in more washers or a thicker washer to take up the extra space?

Shower hose fittings problem | Good Sam Community

kejones62
Explorer
Jul 19, 2021
The diverter is original, and I'm sure it's not metric - it's 1/2-14.
I don't have the old hose anymore.
I can try stacking washers, but it's going to take 3/8 or 1/2 inch of them.
wildtoad
Explorer II
Jul 19, 2021
Have you tried putting some Teflon tape on the diverted? Could the old hose have been put on skewed and corrupted the threads? All shower hoses have the same sized threads.
wopachop
Explorer
Jul 19, 2021
The diverter must be a metric thread?
If you have the old hose, see if the Male shower head screws into the old hose on the diverter side.
DrewE
Explorer II
Jul 19, 2021
Can you maybe put in more washers or a thicker washer to take up the extra space?
kejones62
Explorer
Jul 19, 2021
if I grab a 1/2 NPT male, I can screw it into either end of the hose. However on the end that goes into the diverter, I can only get it a few turns before it starts to tighten. The threads are definitely 1/2"-14, but maybe the taper is off? I can actually get it more than 1/2 turn onto the diverter - that was a mistake - but I can't get it tight enough to mate the washers. The thread get tight before the washers mate.
wopachop
Explorer
Jul 19, 2021
Both ends appear to be the same size.
Does the shower head screw into the other side?

It it only goes 1/2 turn it sounds like a difference in threads or a bad thread job.
joelc
Explorer III
Jul 19, 2021
Go to a hardware store and bring your head (shower head, too). Let them take a look so you can purchase the right one.
agesilaus
Explorer III
Jul 19, 2021
Odd every shower fitting I've seen is 1/2 inch pipe thread, 1/2 NPT.

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Shower hose fittings problem

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