RV Trip Planning Discussions

Go Back   iRV2 Forums > MOTORHOME FORUMS > Class C Motorhome Discussions
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
Thread Tools Search this Thread Display Modes
Old 09-11-2019, 01:23 PM   #1
Junior Member
Adcol1's Avatar
Join Date: Jul 2018
Location: Melbourne Beach, Fl
Posts: 21
Refill 30 LB tank from 20 lb tank?

I am trying to locate the fittings and or hoses that will allow me to refill my permanently installed 30 lb propane tank from my portable 20 lb propane tank in an emergency. Essentially it appears I need 1 hose with the same connector on each end???
Any help is greatly appreciated.

Adcol1 is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 09-11-2019, 01:30 PM   #2
Senior Member
Podivin's Avatar
Winnebago Owners Club
Join Date: Dec 2015
Location: Jacksonville, Fl
Posts: 2,411
Look up extend-a-stay, that may get you where you need to go.
However, I would expect the tanks to only equalize pressure, and not actually empty the 20 lb tank.

2013 Winnebago Sightseer 36V
Podivin is offline   Reply With Quote
Old 09-11-2019, 01:35 PM   #3
Senior Member
Join Date: Oct 2016
Posts: 1,830
There are a couple of products, Extend a Stay and Stay Awhile, that may help you accomplish your goal.

They allow you to connect another tank to your system rather than filling one tank from another.
2005 Alpine Coach 36MDDS
2015 Grand Cherokee Diesel
RVPioneer is offline   Reply With Quote
Old 09-11-2019, 01:52 PM   #4
Senior Member
Join Date: Nov 2015
Posts: 10,361
The adapters mentioned allow you to USE the 20# Portable to supply your RV LP SYSTEM -----not to fill your LP TANK

You valve out your tank and then valve in/use the portable cylinder.

Attempting to fill your TANK via a Portable Cylinder is not practical.
Your TANK is filled using Lqiuid Propane.........portable Cylinder would just supply some vapor.

With Extend-A-Stay Adapter
Is it time for YOUR Medication or Mine?
Dodge 3500 w/Tractor Motor & NUWA 5vr
US NAVY---USS Decatur DDG-31
Old-Biscuit is online now   Reply With Quote
Old 09-11-2019, 02:32 PM   #5
Senior Member
Join Date: Jul 2014
Posts: 18,612
You never want to fill a ASME chassis mounted tank thru the standard POL fitting at the vapor service valve. You risk overfilling the tank.

The Overfill Protection Device is not on that valve but on the larger ACME fill fitting under the yellow cap.
twinboat is offline   Reply With Quote
Old 09-11-2019, 03:55 PM   #6
Junior Member
Adcol1's Avatar
Join Date: Jul 2018
Location: Melbourne Beach, Fl
Posts: 21
Thank you all for the quick responses, appears I was off track, but got back on, with your help.
Adcol1 is offline   Reply With Quote
Old 09-11-2019, 05:56 PM   #7
Senior Member

Holiday Rambler Owners Club
Join Date: Aug 2015
Posts: 4,346

Several manuafacturers make the tees. I bought and installed the one from Camco (part number 59123). Here is a link to that part on Amazon:

Camco Propane Brass 4 Port Tee- Comes with 5ft and 12ft Hoses

This tee also allows you to run a high-pressure propane device, such as a grill, off the coach's (larger) tank. I have stopped carrying the one-pound grill cylinders since installing the tee.

I watched this video before ordering and installing.

Here is the non-video version of the same thing:

Installing a Camco 59123 4 port brass tee (Extend-A-Stay).

As the presenter did, I had to make an extension plate on which to mount the regulator cover in its new position.
2008 Holiday Rambler Admiral 30PDD (Ford F-53 chassis)
2009 Honda Fit Sport
l1v3fr33ord1 is offline   Reply With Quote
Old 09-12-2019, 07:20 AM   #8
Senior Member
davendeb's Avatar
Join Date: May 2010
Posts: 980
I considered this recently and decided to have a local propane supply place make me a hose with regulator to connect to a 20# bottle and to the quick connect on RV. Not to refill because they'd only equalize, but rather to have an extra supply of lp. Close the RV tank valve and operate off the 20#.
Ran this idea by a guy giving a RV propane workshop at the Forest river rally and he confirmed it would work with the right regulator. I just haven't done it yet.

2008 Tundra DC, 5.7L, Airlift 5000 Airbags
2013 Rockwood 8282WS
Signature Untralight Diamond Package
davendeb is offline   Reply With Quote


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Need to refill propane tank acrobe1 MH-General Discussions & Problems 21 01-14-2016 01:19 PM
Propane tank Refill? tuffr2 Class A Motorhome Discussions 29 11-16-2014 10:13 AM
What does it cost in your area to refill propane tank? Wildbob52 RV Systems & Appliances 65 01-15-2014 06:58 PM
Coachmen: Re-enabling propane tank after refill smasiello Forest River Owners Forum 9 03-20-2013 09:37 PM
where to refill fresh water tank? cllecr MH-General Discussions & Problems 19 05-04-2012 11:10 PM

» Featured Campgrounds

Reviews provided by

Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 02:43 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2019, vBulletin Solutions, Inc.