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MB Sturgis Propane Pigtail w/ Back Check - Type 1 x 1/4" Male Inverted Flare - 1-5/8'

MB Sturgis Propane Pigtail w/ Back Check - Type 1 x 1/4" Male Inverted Flare - 1-5/8'

Item # 100575-20-MBS
Our Price: $15.83
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Propane Fittings
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MB Sturgis Propane Pigtail w/ Back Check - Type 1 x 1/4" Male Inverted Flare - 1-5/8' 1/4 Inch - MIF 100575-20-MBS
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Pigtail makes the connection from the propane tanks on your trailer to the propane regulator on your trailer. Check valve prevents hazardous backflow leakage and is suitable for dual-tank setups. Great Prices for the best propane fittings from MB Sturgis. MB Sturgis Propane Pigtail w/ Back Check - Type 1 x 1/4" Male Inverted Flare - 1-5/8' part number 100575-20-MBS can be ordered online at or call 1-833-496-1390 for expert service.
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  • Reviews (23)
  • Q & A (0)
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  • Why etrailer?

MB Sturgis Propane Fittings - 100575-20-MBS

  • Hoses
  • Pigtail Hoses
  • 1-5/8 Feet
  • 1/4 Inch - MIF
  • Type 1 - Female
  • MB Sturgis

Pigtail makes the connection from the propane tanks on your trailer to the propane regulator on your trailer. Check valve prevents hazardous backflow leakage and is suitable for dual-tank setups.


  • Propane pigtail connects your propane cylinder to a regulator
    • Used for single or dual tank setups on the front of your travel trailer
  • Female Type 1 fitting connects to the valve on your propane cylinder
  • Male Inverted flare connects to a propane regulator
  • Built-in bypass mode shuts gas off when flow reaches maximum capacity for safety
    • Thermal shut-off device turns off gas flow in extreme heat caused by open flame
    • Excess-flow safety device limits gas flow in the event of a severe leak
  • Durable thermoplastic hose and brass fittings approved for LP gas only
    • Rated for high pressure and high flow rate to handle unregulated propane
    • UL569 and ANSI Z21-81 certified
  • Made in the USA


  • Temperature range: -40 F to 140 F
  • Hose dimensions: 20" long x 1/4" inner diameter
  • Hose fittings:
    • Type 1 tank connection
    • 1/4" Male inverted flare
  • Maximum pressure rating: 350 psi
  • Maximum flow capacity: 450,000 Btu per hour
  • 1-Year limited warranty

Bypass Mode for Safety

This Type 1 connector will go into bypass mode if the flow rate surpasses the maximum flow capacity for this connector, which is 450,000 Btu per hour. A ball inside of the fitting will push an internal spring down, pressing firmly against the bottom of the fitting to shut off the flow of gas.

When choosing a Type 1 connector, consider your overall propane demands and choose a connector with a flow rate that just exceeds it. That way, you won't trigger the bypass mode during normal use, but it will trigger in the event of a leak. If the bypass valve engages, stop using gas and start checking your connections for leaks.

100575-20-MBS MB Sturgis Propane Pigtail Hose Assembly - RV ACME Type 1 with Back Check x 1/4" Male Inverted Flare - 20" Long

Customer Satisfaction Score:

Customer Reviews

MB Sturgis Propane Pigtail w/ Back Check - Type 1 x 1/4" Male Inverted Flare - 1-5/8' - 100575-20-MBS

Average Customer Rating:  4.6 out of 5 stars   (23 Customer Reviews)

Pigtail makes the connection from the propane tanks on your trailer to the propane regulator on your trailer. Check valve prevents hazardous backflow leakage and is suitable for dual-tank setups.


Appears to be very good quality. Purchased because its American made...

Still holding up well after one year. No problems with them so far.
Steve B - 10/14/2022


Okay quality. I ordered one 2" longer than what I had but it was a little shorter than advertised (by an inch). There doesn't seem to be much consistency with propane hoses in general. It still functions like new after a year and made converting my 1-bottle camper into a 2-bottle camper pretty easy.


Does the job, just make sure you get the right fitting


Bought 2 installed and not a issue at all good value, would buy again for sure


All products were good quality with a fair price.


Worked great after i bought an adapter, No Fault of etrailer, but i did not read the description fully i guess and ordered a inverted flare fitting and what i needed was just a normal male fitting but after getting an adapter, it worked great.


Excellent build quality. Bought 20" length because shorter (12") caused too much bend stress at regulator end, causing hose to fail. Longer length allows me to cross over, i.e. from left tank to right regulator fitting and vise versa, greatly reducing bend stress at hose ends. Thanks!

Zero defects to date.
Tom D - 08/12/2020


This propane pigtail has worked great. Just be sure you choose the one with the correct connection for your system.

It developed a small leak on the tank connection side.
Glenn S - 10/27/2020


Work great, good length and pretty basic installation!


Just received the pigtails yesterday afternoon, 6 days shipping. I'll let you know more after they installed and leak checked. Best Made in the USA


Good quality pigtail and the right length for our application.


the pigtails arrived in good order and fit perfectly. thank you


Great products and ectremely excellent customer services..Thank you George fir reaching out ..that was very nice


Product is great quality and works perf ect.


My fault I needed a 22 in hose. So I just ordered your 5 foot hose.
It would be great if you could give me a brake on the shipping.
Thank you


recived items on time and in great shape item was as I ordered packages were neat and items were great .I will order from this company again when I need anything.


Replaced some 20 year old hoses.
quality and fit great.


Great communication and prompt service! I definitely would do business with this company again!





Exactly as described




See what our Experts say about this MB Sturgis Propane Fittings

  • 20 inch Propane Hose Pigtail Recommendation with Best Price
    I attached a link to a page that has all of the 20 inch pigtail adapters we offer like that you mentioned from the three brands MB Sturgis, Camco, and JR Products. If it were me I would go with the MB Sturgis part # 100575-20-MBS as it has the best price by far and is made in the USA unlike other options. We just happen to get a really great price on it and are able to pass on the savings! I attached a review video for this for you to check out as well.
    view full answer...
  • Two-Stage Regulator With Automatic Changeover For Dual Propane Tanks
    Thank you for the photo it was helpful, and what it shows is you do have the standard dual propane tank set up, so you can absolutely use the MB Sturgis regulator you asked about: - MB Sturgis High Capacity Two-Stage Auto Changeover Regulator # 888001-MBS Then if you'd also like new hoses what you can use are the MB Sturgis Propane Pigtail - Type 1 x 1/4" Male Inverted Flare - 15 inches # 100575-15-MBS or 20 inches # 100575-20-MBS.
    view full answer...
    Image 1 for
  • What Style Connector Do I need on my Replacement Propane Pigtail Hose
    There are different options depending on what style connector you have. I have included an option for both an NPT and MIF. You would just want to check what style is on your hose to ensure you get the correct hose. NPT MB Sturgis Propane Hose w/ Back Check # 100473-20-MBS MIF MB Sturgis Propane Pigtail # 100575-20-MBS Both of these hoses have internal back checks and will let you power all of your RV's appliances. If you look at your regulator and and there are two brass adapters at...
    view full answer...
    Image 1 for
  • Does Check Valve of Propane Pigtail Work with Propane Adapter Fitting # 402258-MBS
    Yes the check valve of the pigtail part # 100575-20-MBS would work with the # 402258-MBS that you also referenced.
    view full answer...
  • Replacement Pigtail and Regulator for RV with Winntec 6020
    Thanks for the picture of the pigtail you are looking for. The part # 100575-20-MBS that you referenced is just what you need. The other parts in your picture are most likely from the regulator so for a new one of those as well you'd want the # 108220 for a dual stage regulator with more than enough BTU rating.
    view full answer...
  • Can the MB Sturgis Propane Pigtail # 100575-20-MBS be Connected Directly to Regulator
    Typically a regulator will have a 1/4" Female NPT inlet, like what the MB Sturgis Vertical 2-Stage Propane Regulator # 108220 has. For the MB Sturgis Propane Pigtail # 100575-20-MBS to connect to your regulator you will need the MB Sturgis Propane Adapter Fitting # 402258-MBS. If you already have the gold adapter fitting with the Female Inverted Flare fitting then the adapter is not needed.
    view full answer...
  • Propane Hose That Is Rated For 350 PSI That Has A Type-1 Fitting
    The pigtail hose like the MB Sturgis Propane Pigtail # 100575-20-MBS you reference isn't measured in PSI but rather BTU's based on it's function. For a type 1 fitting that is similar to # 100575-20-MBS mentioned earlier that also has a PSI rating of 350, is the MB Sturgis Propane Adapter Hose for Small Appliance # 100555-72-MBS.
    view full answer...
  • Replacement Automatic Changeover and Pigtails for Propane Tanks
    The Compact Low Pressure 2-Stage Automatic Changeover RV LP Gas Regulator # 37207-31525 doesn't have a specific length requirement for the pigtail connections. You can absolutely use the MB Sturgis Propane Pigtail - Stainless Overbraid - Type 1 x 1/4" Male Inverted Flare - 2' # 100833-24 but they are 3 times longer than your current pigtails. If you just want slightly longer hoses you can use the Propane Hose with Back Check - Type 1 x 1/4" Male Inverted Flare - 1-1/2' # 37207-30735 or...
    view full answer...
  • Replacement Propane Hose Pigtail for Connecting Regulator and Propane Tank on Camper
    I looked up the hose and the regulator you currently have, and found that the GHA7 hose uses an ACME Nut connector to the LP tank and a 1/4 inch male inverted flare that connects to the 3/8 to 1/4 adapter used on the regulator. We offer the necessary pigtails in many lengths for rubber hose, you can use # 37207-30755 for a 2 foot length, # 37207-30775 for a 3 foot length or # CAM59183 for a 4 foot length. If you'd prefer braided steel hose for durability, use part # 100833-24 for a 2...
    view full answer...

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Cole B
Installed by:
Cole B
Employee Mary E
Updated by:
Mary E
Employee Wilson B
Updated by:
Wilson B
Employee Cody B
Updated by:
Cody B
Employee Amanda M
Written by:
Amanda M

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