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Old 07-25-2019, 08:32 AM   #1
jacketslacker
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Propane hose upgrade/replacement

I've got a 2018 Springdale 1750RD. We were looking to install a 2nd propane tank, partially for the camper but also to have for running some other stuff around camp as well.



In switching to a dual tank, I also bought a cover. Now I know I'll have to get a dual regulator, but the question I've got is what hose do I need from the regulator to the camper line? I know it's gotta be longer, but trying to figure out what the fittings are. As near as I can tell, it's a 3/8" MPT on one end and I think 1/2" Female flare on the other. Does anyone know for sure if I'm right and/or how I can check to make sure I am? I don't want to get the wrong hose and find out I've got to wait for the 2nd one to finish the project up when I get around to it.


Thanks in advance.
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Old 07-26-2019, 01:42 PM   #2
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Most single tank regulators are fitted like yours with similar fittings to what you see. Some dual tank automatic regulators use different size fittings.

If you're going to retrofit the entire single tank system to a dual automatic regulator system, you might find it cheaper to just buy the entire kit.

Here's one example: https://www.amazon.com/Flame-King-KT...gateway&sr=8-1 There are better quality systems, but depending on what you want to pay, if you buy a $40 regulator, this is about the same quality as you'd get with that and the pigtails "come free".
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Old 07-26-2019, 02:37 PM   #3
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Yeah I know I would need the new regulator. I was trying to figure out what the end of the hose at the trailer needed to be.
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Old 07-26-2019, 04:01 PM   #4
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Most likely the hose is 3/8Ē with a flare fitting at the regulator. The other end may be a variety of different fittings, if you can post a pic we can probably identify it.

If you have a local hydraulic hose shop nearby, you can just take the hose off, take it in and tell them the length.
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Old 07-26-2019, 06:05 PM   #5
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Quote:
Originally Posted by JRTJH View Post
Most single tank regulators are fitted like yours with similar fittings to what you see. Some dual tank automatic regulators use different size fittings.

If you're going to retrofit the entire single tank system to a dual automatic regulator system, you might find it cheaper to just buy the entire kit.

Here's one example: https://www.amazon.com/Flame-King-KT...gateway&sr=8-1 There are better quality systems, but depending on what you want to pay, if you buy a $40 regulator, this is about the same quality as you'd get with that and the pigtails "come free".
If you can find this same setup with the Marshall brand regulator would better, maybe a couple more $$ but worth it.
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Old 08-06-2019, 08:33 AM   #6
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When screwing all the lines together into the regulator and the supply line; do I need to put some kind of teflon tape or pipe dope on it? Or do I just put the bare fittings? I haven't started taking it apart yet but figured I'd get an idea of what I need to do since I'll be doing the mod in the storage lot and it would be better to try and have everything I'll need in one shot.
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Old 08-06-2019, 10:38 AM   #7
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Brass to brass you shouldn't need anything but won't hurt to use something, brass to ?? use the yellow teflon tape designed for gas/LP.
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Old 08-06-2019, 11:34 AM   #8
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Originally Posted by travelin texans View Post
Brass to brass you shouldn't need anything but won't hurt to use something, brass to ?? use the yellow teflon tape designed for gas/LP.
I like Rectors #5 (yellow) pipe dope.
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