LP Gas Tanks & Accessories

RV LP Gas Tanks & Accessories

Featured Brands

  • MB Sturgis® - Thermoplastic LP Gas Hose (1/4" Male Pipe Thread to 1/4" Male Pipe Thread)
    MB Sturgis® - Thermoplastic LP Gas Hose (1/4" Male Pipe Thread to 1/4" Male Pipe Thread)
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    # 5093299642
    Thermoplastic LP Gas Hose (1/4" Male Pipe Thread to 1/4" Male Pipe Thread) by MB Sturgis®. The Type 1 pigtail is used to connect a propane cylinder to the pressure regulator with a 1/4" FNPT inlet. The MB Sturgis Type 1 provides a...
    Used For Connecting A Small Portable Camping ApplianceAllows Complete Breakdown Of The Appliance And Hose
    $17.06 - $17.34
    In Stock - Ships within 24 hrs
  • MB Sturgis® - Thermoplastic LP Gas Hose (Male POL to #600 Hose Adapter)
    MB Sturgis® - Thermoplastic LP Gas Hose (Male POL to #600 Hose Adapter)
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    # 4890459566
    Thermoplastic LP Gas Hose (Male POL to #600 Hose Adapter) by MB Sturgis®. Handwheel POL tank connection adapter hose assembly used for connecting high volume, small portable camping appliance such as a grill, heater, or lantern to a...
    Used To Connect LP Cylinders To Regulators, Hoses And Other LP FittingsSoft-Nose P.O.L. Tank Connector Incorporates An Excess Flow Safety Device And Hex Nut For Positive Tightening
    $26.07 - $32.93
    In Stock - Ships within 24 hrs
  • MB Sturgis® - Thermoplastic Pigtail LP Gas Hose with Stainless Steel Overbraid (Male POL to 1/4" Male Inverted Flare)
    MB Sturgis® - Thermoplastic Pigtail LP Gas Hose with Stainless Steel Overbraid (Male POL to 1/4" Male Inverted Flare)
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    # 4890459539
    Thermoplastic Pigtail LP Gas Hose with Stainless Steel Overbraid (Male POL to 1/4" Male Inverted Flare) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate...
    High flow rate (450.000 BTU's P/H) to avoid going into by-pass modeA back check to completly stop any potential back flow leakage
    $20.09 - $23.58
    In Stock - Ships within 24 hrs
  • MB Sturgis® - Thermoplastic Pigtail LP Gas Hose with Stainless Steel Overbraid (Male POL to 1/4" Male NPT)
    MB Sturgis® - Thermoplastic Pigtail LP Gas Hose with Stainless Steel Overbraid (Male POL to 1/4" Male NPT)
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    # 4890459570
    Thermoplastic Pigtail LP Gas Hose with Stainless Steel Overbraid (Male POL to 1/4" Male NPT) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    High flow rate (450.000 BTU's P/H) to avoid going into by-pass modeA back check to completly stop any potential back flow leakage
    $21.92 - $24.94
    In Stock - Ships within 24 hrs
  • Fleming Sales® - LP Gas Hose
    Fleming Sales® - LP Gas Hose
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    # 4701530587
    LP Gas Hose by Fleming Sales®. The PRO Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever. Perfect for replacing your worn-out or malfunctioning part, this product will help make...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $47.59 - $87.40
    Availability Varies - Depends on Product Options
  • MB Sturgis® - Low Pressure Fixed Single Stage LP Gas Regulator (ACME Nut x 3/8" FNPT Outlet)
    MB Sturgis® - Low Pressure Fixed Single Stage LP Gas Regulator (ACME Nut x 3/8" FNPT Outlet)
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    # 5093299627
    Low Pressure Fixed Single Stage LP Gas Regulator (ACME Nut x 3/8" FNPT Outlet) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and safe. Made by...
    Excellent replacement for your factory componentMade to deliver a flawless fit, quality, and lasting life
    $35.62 - $39.25
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 12" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare)
    MB Sturgis® - 12" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057512MB)
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    # mpn4844694930
    12" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057512MB) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $18.61
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 120" Thermoplastic LP Gas Hose (Male POL to Male QCC)
    MB Sturgis® - 120" Thermoplastic LP Gas Hose (Male POL to Male QCC) (100739120M)
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    # mpn4863761570
    120" Thermoplastic LP Gas Hose (Male POL to Male QCC) (100739120M) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and safe. Made by experts in...
    Used To Connect A Dual LP Cylinder System To The Two-Stage RegulatorProvides A Higher Rate Of Flow Resulting In A Decreased Potential For The System To Go Into Bypass Mode
    $30.85
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 144" Thermoplastic High Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread)
    MB Sturgis® - 144" Thermoplastic High Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100040144M)
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    # mpn4863761575
    144" Thermoplastic High Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100040144M) by MB Sturgis®. 3/8" ID General Purpose High Pressure Propane Gas Hose Assembly. Typically used to connect portable...
    Approved for RVIA use in the USA & CanadaThe POL Tank Connection Allows A Higher Flow Of Gas Than The Type 1
    $34.27
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 144" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare)
    MB Sturgis® - 144" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-144-MBS)
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    # mpn4844694924
    144" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-144-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and...
    Connects Small, Portable Appliances Normally Fueled By Disposable LP CylindersType1 Sturgi-Flow Connects Easily To A Propane Cylinder
    $38.68
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 15" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare)
    MB Sturgis® - 15" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057515MB)
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    # mpn4844694955
    15" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057515MB) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $17.32
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 15" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare)
    MB Sturgis® - 15" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-15-MBS)
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    # mpn4844694926
    15" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-15-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and...
    Connects Small, Portable Appliances Normally Fueled By Disposable LP CylindersType1 Sturgi-Flow Connects Easily To A Propane Cylinder
    $19.53
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 20" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare)
    MB Sturgis® - 20" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-20-MBS)
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    # mpn4844694954
    20" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-20-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and...
    Connects Small, Portable Appliances Normally Fueled By Disposable LP CylindersType1 Sturgi-Flow Connects Easily To A Propane Cylinder
    $20.26
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 24" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare)
    MB Sturgis® - 24" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057524MB)
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    # mpn4900914512
    24" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057524MB) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $18.87
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 24" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare)
    MB Sturgis® - 24" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-24-MBS)
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    # mpn4844694939
    24" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-24-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and...
    Connects Small, Portable Appliances Normally Fueled By Disposable LP CylindersType1 Sturgi-Flow Connects Easily To A Propane Cylinder
    $20.85
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 30" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare)
    MB Sturgis® - 30" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057530MB)
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    # mpn4844694946
    30" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057530MB) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $19.76
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 36" Stainless Steel Overbraided LP Gas Hose (Male Thread to 1/2" Female Inverted Flare)
    MB Sturgis® - 36" Stainless Steel Overbraided LP Gas Hose (Male Thread to 1/2" Female Inverted Flare) (100883-36-MBS)
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    # mpn1599543284
    36" Stainless Steel Overbraided LP Gas Hose (Male Thread to 1/2" Female Inverted Flare) (100883-36-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go...
    Used For Connecting An Auxiliary Propane Cylinder To A Sturgi-StayQuick Disconnect Fitting
    $40.16
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 36" Thermoplastic High Pressure LP Gas Hose (1/2" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread)
    MB Sturgis® - 36" Thermoplastic High Pressure LP Gas Hose (1/2" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100383-36-MBS)
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    # mpn4844694943
    36" Thermoplastic High Pressure LP Gas Hose (1/2" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100383-36-MBS) by MB Sturgis®. Typically used on RV’s and Travel Trailers to connect the Two-Stage Regulator to the permanent gas...
    Approved for RVIA use in the USA & CanadaHigh quality at an affordable price
    $20.75
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 36" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare)
    MB Sturgis® - 36" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057536MB)
    0
    # mpn4844694942
    36" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057536MB) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $20.66
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 36" Thermoplastic Low Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread)
    MB Sturgis® - 36" Thermoplastic Low Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100429-36-MBS)
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    # mpn4844694927
    36" Thermoplastic Low Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100429-36-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel...
    Used To Connect A Dual LP Cylinder System To The Two-Stage RegulatorThe POL Tank Connection Allows A Higher Flow Of Gas Than The Type 1
    $17.58
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 36" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare)
    MB Sturgis® - 36" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-36-MBS)
    0
    # mpn4844694928
    36" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-36-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and...
    Connects Small, Portable Appliances Normally Fueled By Disposable LP CylindersType1 Sturgi-Flow Connects Easily To A Propane Cylinder
    $22.64
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 48" Thermoplastic High Pressure LP Gas Hose (1/2" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread)
    MB Sturgis® - 48" Thermoplastic High Pressure LP Gas Hose (1/2" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (10038348MB)
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    # mpn4844694948
    48" Thermoplastic High Pressure LP Gas Hose (1/2" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (10038348MB) by MB Sturgis®. Typically used on RV’s and Travel Trailers to connect the Two-Stage Regulator to the permanent gas...
    Approved for RVIA use in the USA & CanadaHigh quality at an affordable price
    $22.82
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 48" Thermoplastic High Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread)
    MB Sturgis® - 48" Thermoplastic High Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100040-48-MBS)
    0
    # mpn4844694935
    48" Thermoplastic High Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100040-48-MBS) by MB Sturgis®. 3/8" ID General Purpose High Pressure Propane Gas Hose Assembly. Typically used to connect portable...
    Approved for RVIA use in the USA & CanadaThe POL Tank Connection Allows A Higher Flow Of Gas Than The Type 1
    $21.72
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 48" Thermoplastic LP Gas Hose (1"-20 Male Swivel to 1/4" Male Quick Disconnect Plug)
    MB Sturgis® - 48" Thermoplastic LP Gas Hose (1"-20 Male Swivel to 1/4" Male Quick Disconnect Plug) (100476-48-MBS)
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    # mpn4844694940
    48" Thermoplastic LP Gas Hose (1"-20 Male Swivel to 1/4" Male Quick Disconnect Plug) (100476-48-MBS) by MB Sturgis®. Model 250 Quick Disconnect Plug hose assembly used for connecting a small portable camping appliance such as a grill,...
    Use With High Pressure Camping ApplianceHigh quality at an affordable price
    $22.80
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 48" Thermoplastic LP Gas Hose (1/4" Male Quick Disconnect to 1/4" Female Quick Disconnect)
    MB Sturgis® - 48" Thermoplastic LP Gas Hose (1/4" Male Quick Disconnect to 1/4" Female Quick Disconnect) (10039548MB)
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    # mpn4844694956
    48" Thermoplastic LP Gas Hose (1/4" Male Quick Disconnect to 1/4" Female Quick Disconnect) (10039548MB) by MB Sturgis®. Model 250 Dual Quick Disconnect Plug hose assembly used for connection a small portable camping appliance such as a...
    Allows Motor Home Owners To Be Able To Hook Their Propane System To An Auxiliary LP CylinderAllows Easy Connection To Both The Auxiliary Tank And A High-Pressure Propane Appliance Without The Need For Wrenches Or Leak Testing
    $28.87
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 48" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare)
    MB Sturgis® - 48" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057548MB)
    0
    # mpn4844694929
    48" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Male Inverted Flare) (10057548MB) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $22.45
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 48" Thermoplastic Low Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread)
    MB Sturgis® - 48" Thermoplastic Low Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100429-48-MBS)
    0
    # mpn4844694951
    48" Thermoplastic Low Pressure LP Gas Hose (3/8" Female Pipe Cylinder Thread to 3/8" Male Pipe Thread) (100429-48-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel...
    Used To Connect A Dual LP Cylinder System To The Two-Stage RegulatorThe POL Tank Connection Allows A Higher Flow Of Gas Than The Type 1
    $18.68
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 48" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare)
    MB Sturgis® - 48" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-48-MBS)
    0
    # mpn4844694934
    48" Thermoplastic Pigtail LP Gas Hose (Male POL to 1/4" Male Inverted Flare) (100019-48-MBS) by MB Sturgis®. Perfect for replacing your worn-out or malfunctioning part, this product will help make having fuel on the go convenient and...
    Connects Small, Portable Appliances Normally Fueled By Disposable LP CylindersType1 Sturgi-Flow Connects Easily To A Propane Cylinder
    $24.42
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 60" Thermoplastic LP Gas Hose (1"-20 Male NPT to 1"-20 Female Swivel)
    MB Sturgis® - 60" Thermoplastic LP Gas Hose (1"-20 Male NPT to 1"-20 Female Swivel) (100284-60-MBS)
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    # mpn4844694941
    60" Thermoplastic LP Gas Hose (1"-20 Male NPT to 1"-20 Female Swivel) (100284-60-MBS) by MB Sturgis®. Used for connecting a small portable camping appliance such as a grill, heater or lantern to a Propane Distribution Tree or an MB...
    Low Pressure Propane Hose Typically Used On Motor Coaches And Travel TrailersConnects The Pressure Regulator To The Permanent Gas Piping System
    $25.22
    In Stock - Ships within 24 hrs
  • MB Sturgis® - 60" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Inverted Flare)
    MB Sturgis® - 60" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Inverted Flare) (100575-60-MBS)
    0
    # mpn4844694949
    60" Thermoplastic LP Gas Hose (Female Prest-O-Lite to 1/4" Inverted Flare) (100575-60-MBS) by MB Sturgis®. Used to connect a dual LP Cylinder system to the Two-Stage Regulator. The MB Sturgis Type 1 provides a higher rate of flow...
    Made to deliver a flawless fit, quality, and lasting lifeDesigned and tested to meet or exceed the industry standards
    $23.85
    In Stock - Ships within 24 hrs




For many people, boating and RV trips are impossible without convenience features, since it is important to feel at home even when you are out on the water or on a campground. That is why a propane tank is a must. It enables you to cook something hot on vacation anytime you want! A good thing to have in your trailer, taking into consideration that during the outdoor activities we become hungry way faster than at home.

If your boat or RV does not have a propane tank yet, you certainly should get one, but before you need to make sure that the construction of a boat or a trailer does not have any restrictions on that, to be on the safe side. Also, it is important to follow the safety guidelines to ensure the proper installation of a tank and its parts. We carry parts and accessories that will ensure safe functioning of the propane tank. You can also get tank covers and ball valves with lever, cylinder valves and gas monitor gauges. And, of course, we carry propane tanks of various volumes and dimensions.

If you need mounting brackets or extra fittings, wiring or pressure converters, you are always welcome to shop for these parts online in our easy-to-navigate catalog. Would you like a different gauge? No problem, you are welcome to pick the gauge of your choice as we carry various options! Would you like to put two smaller propane tanks instead of one big unit? With the right brackets which will hold both, it's simple. Tanks come with the precise information on installation and everything you need to make them function.

Because we own and operate boats and RVs ourselves, our standards are as high as yours are. We choose products that we would install in our own trailers as we know how important it is to rely on appliances that you take on a long trip, probably with no access to civilization. We ensure that the propane tanks and parts on offer will last long and will not corrode if maintained properly. If you can't choose the right tank, if you are not sure how to install it into your boat or RV properly or concern about the extra components that you might need, just let us know!