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MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports

MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports

Item # 103538-MBS
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T-fitting lets you use an auxiliary propane cylinder to power appliances so that you won't deplete your RV's tank. Quick-disconnect ports allow for tool-free hookup of quick-disconnect hoses. Fill hose included, adapter hose sold separately. Lowest Prices for the best propane from MB Sturgis. MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports part number 103538-MBS can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (11)
  • Q & A (8)
  • Videos (1)
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MB Sturgis Propane - 103538-MBS

  • Adapter Fittings
  • POL - Female
  • MB Sturgis
  • 1/4 Inch - Male

T-fitting lets you use an auxiliary propane cylinder to power appliances so that you won't deplete your RV's tank. Quick-disconnect ports allow for tool-free hookup of quick-disconnect hoses. Fill hose included, adapter hose sold separately.


  • Adapter kit lets you connect an auxiliary cylinder to your RV's propane system
    • Use your auxiliary cylinder as your propane supply to power your appliances
  • T-Fitting connects in-line between your tank valve and your pressure regulator
    • O-ring on POL fitting ensures a tight seal with the tank
  • 2 Model 250 quick-disconnect ports on T-fitting let you easily hook up and disconnect hoses without any tools
    • Quick-disconnect hoses securely snap into ports
    • 1 Port connects to fill hose (included) from auxiliary cylinder, other lets you hook up a small appliance with an adapter hose (sold separately)
  • Shut-off levers on quick-disconnect ports allow you to completely shut off gas supply
    • Ball valve prevents disconnection when lever is in the "on" position to keep gas contained
  • Fill hose accommodates a higher flow of gas without going into bypass mode
    • Connects your auxiliary gas cylinder to the included T-fitting
  • UL and CSA certified
  • Designed for LP gas only
  • Made in the USA


  • Temperature range: -40 F to 350 F
  • Maximum pressure rating: 250 psi
  • Fill hose dimensions: 72" long x 1/4" inner diameter
  • Fill hose fittings:
    • 1/4" Male Model 250 quick-disconnect
    • POL tank connection

Fitting Diagram

Make camping more fun and relaxing. Moving your RV once you've gotten settled at the campsite is a real chore. No one wants to have to pack up, unplug, and go refill the propane tank, just to come back to the site and set everything up all over again. This Sturgi-Stay T-fitting lets you connect an auxiliary cylinder to your setup using the included fill hose. As a result, you can run your appliances from the propane in your cylinder rather than using up the LP gas from your RV's tank. When you run out, just refill the auxiliary cylinder and hook it up again.

Quick Disconnect Ports


The Sturgi-Stay features 2 quick-disconnect ports. The first port connects to the fill hose from the auxiliary cylinder. The other port provides a connection point for a small, portable appliance or propane tree. This way you can power a grill, heater, or other accessory without needing to use a 1-lb throwaway cylinder.

Both quick-disconnect ports let you connect and disconnect hoses without any tools. Simply snap a quick-disconnect hose into the port and it will stay locked in until you release it. To remove the hose, just pull back on the collar of the port. The ports also feature gas shut-off levers that allow you to completely cut off the propane supply to that port to keep gas contained when no hose is attached. Be sure to move the lever to the "off" position before disconnecting the hose.

103537-MBS MB Sturgis Dual Quick Disconnect Outlet Sturgi-Stay T-Fitting - POL x Female Disconnect

100794-72-MBS MB Sturgis Sturgi-Stay Auxiliary Propane Supply Hose - POL x Male Quick Disconnect Plug - 72"

103538-MBS MB Sturgis Sturgi-Stay Adapter Kit for RVs

Video of MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for MB Sturgis Propane - Tees - 103538-MBS Review

Today we're going to take a look at the MB Sturgis Quick Disconnect Sturgi-Stay Propane Adapter Kit. This will connect your propane system to an auxiliary LP gas cylinder to avoid the need to move your motor coach to fill the propane supply when you're staying in one location for an extended period of time. It's a very easy connection to both the auxiliary tank and a high-pressure propane appliance without the need for any wrenches or leak testing. It includes both these parts. It includes the fitting right here. You have have the POL tank connector right here on this end. Right here is the female POL outlet.

Then there's two model 250 quick disconnects. The hose that comes with it is a 72" long thermo-plastic propane feed hose with on one end the POL tank connector and on this end the 1/4" male model 250 quick disconnect plug. The way this plugs in, you can see there's your two 250 disconnects. We're going to take this one, we'll take the plug out. You can see the handle right here. If you turn this 90 degrees to the valve right there, then you're able to slide that open, and when this is 90 degrees that means the ball valve on the inside is shutting off the connection.

When you turn it to go in line with that, then it's opening the valve. Right now we'll have it shut off. You put this connect to work, so you'll take your male, slide it right in, and you can see it slides right over, and gives you your connection. Then to turn on the valve, just push it this way to where it's in like. That lets the propane flow. To turn it off, just rotate it 90 degrees.

Very simple connection, no wrenches needed. Go ahead and put the plug back in there to protect in and if you notice on the end of this hose, it does have a cover to protect that connection when it's not being used. The maximum pressure on this hose, pressure rating is 350 psi. Temperature range is a negative 40 degrees Fahrenheit to 350 degrees Fahrenheit. It does meet UL and CSA certification, and this part is designed for LP gas only. That should do it for the review on the MB Sturgis Quick Disconnect Sturgi-Stay Propane Adapter Kit..

Customer Reviews

MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports - 103538-MBS

Average Customer Rating:  4.9 out of 5 stars   (11 Customer Reviews)

T-fitting lets you use an auxiliary propane cylinder to power appliances so that you won't deplete your RV's tank. Quick-disconnect ports allow for tool-free hookup of quick-disconnect hoses. Fill hose included, adapter hose sold separately.

- 103538-MBS

Product was received on time. A better design than others like it. It was easy to install on my Georgie Boy. Don't buy the cheap ones on other sites, some of them have male fittings for the hose which break off. 730798

- 103538-MBS

Fast delivery and material was good quality. Will install on the motorhome this weekend. 724496

- 103538-MBS

The product was better than I expected, easy to install, and arrived in a short time. I have never been disappointed with Etrailer! 703265

- 103538-MBS

Awesome. Very easy install. Works exactly for my needs. 714201

- 103538-MBS

Fast shipping and well packaged. Thank you! 308244

- 103538-MBS

as advertised, ahead of date, no damage. fills the need. will allow quick connect for gen set fuel and use of BBQ bottles for boondocking. 678615

- 103538-MBS

Had to return item and reorder (my fault picked the wrong part). The friendly staff processed my request, went smooth with an easy exchange. Installation went smooth. Really solved the inconvenience of taking the RV out on an empty LP tank. Thanks etrailer.com 642249

- 103538-MBS

I saw this on a neighbors rv and looking it up I found it on your site. I wanted It because we stay in RV parks and this makes It easy to attach my 20lb.propane bottle. It was easy to order and fast service. I liked the tracker that I could follow the delivery. I also appreciate the follow up email. Thank you 484123

Best thing Ive bought. It works great. I also bought a gauge to let me know when the tank is low so I can switch it easily.
Jesse g - 03/12/2019


- 103538-MBS


- 103538-MBS

Everything looks great, I love it and plan to use it in my studio 657583

- 103538-MBS

This is a great product, at a good price, from a superior store. Installation was quick and easy. (took longer to leak-check everything, than to install) Now I don't have to worry about propane delivery at some of our extended stay destinations. The fittings, connections, and hoses are all first class. Thanks ETRAILER, for having great videos, pictures, and descriptions on everything!! 578614


Ask the Experts about this MB Sturgis Propane

  • Recommended Regulator and Hose for Grill Connection to Motorhome Tank with POL Fitting
    For the MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports # 103538-MBS you will put this between the tank and the motorhome's in line regulator. Then you will need a single stage regulator like # CAM59013 which will thread onto the 3/8 inch male pipe of your grill and then you will need an adapter like # 204129-MBS to thread into the inlet of the regulator and provide you a female fitting for the male POL that is integrated on the T-fitting. If...
    view full answer...
  • Recommended Automatic Changeover Regulator and Pigtail to Add Second Propane Tank
    The Camco Automatic Changeover 2-Stage Propane Regulator for Dual Propane Tanks # CAM59005 will allow you to use the MB Sturgis Propane Hose w/ Back Check - Type 1 x 1/4" MPT - 30" # 100473-30-MBS to connect your second propane tank to the one mounted on your RV. If you RV tank is not a standard Type 1, then let me know and we can look for other options.
    view full answer...
  • Adapter for Connecting Auxiliary Propane Tank to RV Propane
    We have the MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports # 103538-MBS which is designed for fitting inline with a propane source on an RV like what you have so that you can connect to auxiliary tanks. I attached a picture that shows what each of the fittings are designed to attach to.
    view full answer...
  • Will MB Sturgis Sturgi-Stay T-Fitting # 103538-MBS Fit a 524AS Horizontal Regulator
    It looks like there is 3/8" NPT fitting attached to the regulator on your propane tank like hose # 100040-48-MBS which has a 3/8" female flare fitting on the other end. Based on that MB Sturgis Sturgi-Stay T-Fitting # 103538-MBS would not work. I checked the regulator model and it is indeed a 3/8". It also has a 1/4" port on it so MB Sturgis Sturgi-Stay T-Fitting # 103610 is a possibility. The fill hose has a 1/4" male inverted flare and a POL connection on the other side to connect...
    view full answer...
  • Tee for Adding 100 lb Propane Tank to Dual Tank Set Up
    You are on the money because you will in fact be able to use the MB Sturgis Sturgi-Stay T-Fitting w/ Hose for POL Valve - 2 Model 250 Quick Disconnect Ports # 103538-MBS. This will be all you need, though one of the ports is for adding a small appliance like a grill, so you would not be able to hook up a fourth tank. I have added a link to a video review of this product for you to check out as well.
    view full answer...
  • Quick Disconnect Kit to Run Propane Grill Off of Built-In 20 Gallon Propane Tank
    For your needs you can use with the MB Sturgis quick disconnect kit # 103538-MBS or the deluxe version # 103539-MBS. The fitting will Tee in and allow you to easily connect to both an auxiliary tank and a high pressure propane appliance. I have linked a video on the Deluxe version with more information.
    view full answer...
  • Quick Disconnect Setup Recommendation to Attach Propane Grill to RV Propane Source
    The Camco Propane Adapter Kit part # 103538-MBS is what you are looking for. This is designed for running a hose from your RV propane source to your grill that normally is run off a smaller tank and has a standard quick disconnect to make for easy connection/disconnection.
    view full answer...
  • Tee Fitting Needed to Connect Auxiliary 20 lb Tank to Propane System
    What you need is a T-Fitting and auxiliary hose like what comes in the Kit # 103538-MBS, but your propane setup is a bit different than a normal RV so you'll need to get creative in how you're able to connect the T-Fitting. One end is a male POL connection, which will connect to your valve, while the other end has a female POL fitting. Then you have the 2 quick-disconnects and a hose that allows you to connect your 20 lb auxiliary tank. You can definitely use the T-Fitting # 103602-MBS...
    view full answer...

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Info for this part was:

Expert Research:
Michael H
Expert Research:
Jameson C
Installed by:
Jeff D
Updated by:
Mary E
Written by:
Amanda M

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