F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator
12 ft propane hose with regulator, brass fittings, and thread seal tape on a white background.
Diagram showing connector types for 12 FT F273684 propane hose, including street elbow, flare nut, and gas regulator.
Two-stage propane regulator for F273684 hose assembly shown with safety features and grill background.
Diagram showing the three-layer construction of the 12ft F273684 propane hose, including PVC and cotton braiding.
Close-up of F273684 propane hose regulator, solid brass connectors, and dustproof plastic covers.
Collage showing wide application of F273684 propane hose with heaters, RVs, gas stoves, grills, and fire pits.
12 ft F273684 propane hose and regulator assembly with installation instructions and compatible appliance examples.
Comparison chart showing BlueStars 12 FT F273684 propane hose with regulator versus a standard low-quality hose.
12 ft propane hose with regulator and installation accessories including thread seal tape and brass fittings.
12 ft propane hose with regulator, brass fittings, and thread seal tape on a white background.
Diagram showing connector types for 12 FT F273684 propane hose, including street elbow, flare nut, and gas regulator.
Two-stage propane regulator for F273684 hose assembly shown with safety features and grill background.
Diagram showing the three-layer construction of the 12ft F273684 propane hose, including PVC and cotton braiding.
Close-up of F273684 propane hose regulator, solid brass connectors, and dustproof plastic covers.
Collage showing wide application of F273684 propane hose with heaters, RVs, gas stoves, grills, and fire pits.
12 ft F273684 propane hose and regulator assembly with installation instructions and compatible appliance examples.
Comparison chart showing BlueStars 12 FT F273684 propane hose with regulator versus a standard low-quality hose.
12 ft propane hose with regulator and installation accessories including thread seal tape and brass fittings.

F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator

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F273684 12 FT Propane Hose with Two-Stage Regulator

Key Features

  • Hose Length: 12 feet
  • Hose Material: Reinforced rubber
  • Fittings Material: Solid brass
  • Regulator: Two-stage design provides consistent gas pressure
  • Tank Connection: Hand-tightening wheel for tool-free installation on standard tanks
  • Included Fittings: 3/8 in. Male Pipe x 3/8 in. Male Flare, 3/8 in. Female Thread x 3/8 in. Male Street Elbow

Replaces / Cross-Reference Part Numbers

  • Mr. Heater: F273684

Compatibility & Fitment

  • Connects appliances to 5 lb to 20 lb propane (LP) tanks
  • For use with Mr. Heater Vent-Free and Buddy heater models
  • Suitable for various LP gas appliances including RVs, grills, gas stoves, and generators requiring a 3/8 inch female flare connection

When to Replace

  • Visible damage to the hose, such as cracks, abrasions, or brittleness
  • Leaks detected at any connection point or along the hose
  • Regulator fails to maintain consistent pressure or shows signs of physical damage
  • After any fire, chemical exposure, or significant physical impact

Installation Tips

  • Ensure both tank and appliance gas valves are fully closed before starting installation
  • Hand-tighten the connector to the propane tank; do not use tools or overtighten
  • Perform a leak test on all connections using a soapy water solution before operating the appliance
  • Route the hose away from high-traffic areas, sharp edges, and hot surfaces
  • Consult your appliance's owner's manual for specific installation requirements
F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 1
F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 2
F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 3
F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 4
F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 5
  • F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 1

    POL Inlet with Hand Wheel

    - Made of 100% Brass
  • F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 2

    Two-stage Propane Regulator

    Automatically shuts off excessive flow for your safety: CSA-Qualified | Consistent Inlet Pressure | Smoother Gas Flow | Included Dustproof Cover
  • F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 3

    3/8” Female Flare Nut Adapters

    - Made of 100% Brass
  • F273684 12 FT Propane Hose with 2-Stage Regulator for Mr. Heater Big Buddy Vent-Free Heater, RV, Grill, Gas Stove, Fire Pit, Generator 4

    3-Layer Hose Material

    Consists of 3 layers of top-grade materials:
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ENJOY A SEAMLESS JOURNEY

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Compatible Models

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FAQs

This item matches part number F273684. If you are replacing an existing hose assembly, confirm that your current part number and end connections match before ordering.
This is a 12-foot propane hose with an integrated regulator used to supply propane from a tank to compatible gas-fired equipment. Hose-and-regulator assemblies like this are commonly used on heaters, outdoor cooking equipment, and other propane appliances that require regulated fuel pressure.
Common signs include cracking or stiffness in the hose, the smell of propane near the line or fittings, visible damage at the connector ends, poor burner performance, difficulty maintaining flame, or a regulator that no longer delivers steady gas flow. If there is any sign of leakage or hose deterioration, replace the assembly rather than trying to repair it.
Check three things: the part number (F273684), the hose length you need, and the exact tank-side and appliance-side fittings on your equipment. The replacement must match both connection types and be suitable for propane use with your specific appliance. If your original assembly includes a regulator, the replacement should also include the correct regulator style.
Installation is usually straightforward and often takes about 10 to 20 minutes. In most cases you will need basic hand tools such as adjustable wrenches. Shut off the propane supply first, work in a well-ventilated area, avoid twisting the hose during installation, and perform a leak check with soapy water on all connections before use.
The most common causes are age-related rubber deterioration, UV and weather exposure, abrasion, kinking, contamination inside the regulator, damaged sealing surfaces, and stress from repeated bending at the fittings. Outdoor storage and long periods of non-use can also shorten service life.
Inspect the tank valve, appliance inlet, and all threaded fittings for dirt, corrosion, worn sealing surfaces, or thread damage. Make sure the old hose did not fail because of rubbing, heat exposure, or improper routing. After installation, open the tank slowly and test every connection for leaks before lighting the appliance.