• Product image of an HPC Fire Whistle Free Flex Line gas connector displayed on a clean white background. The stainless steel corrugated gas hose features brass fittings on each end and is designed for standard, high, and ultra-high capacity fire pit systems. This flexible gas connector is engineered to reduce gas flow noise while allowing safe, durable connections between gas valves, burners, and fuel supply lines in outdoor fire features.
  • Detailed installation scene showing an HPC Fire Whistle Free stainless steel gas flex line connected to a fire pit control system and propane supply tank within a metal fire pit frame. Multiple corrugated stainless gas connectors route fuel between the valve assembly and burner components while a technician tightens the fitting by hand. Tools and wiring are visible in the enclosure, highlighting the flexible gas line’s role in high-capacity fire pit installations designed to prevent gas flow whistling.
  • Close-up lifestyle installation view of an HPC Fire Whistle Free Flex Line gas connector attached to a fire pit control system inside a metal outdoor fire pit enclosure. A stainless steel corrugated gas flex line connects the gas valve assembly to the burner system, while a technician’s hand adjusts the control box. Additional pilot and ignition wires run alongside the flex line, illustrating a professional gas fire pit installation designed to reduce gas flow noise and provide reliable fuel delivery.
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High Capacity Flex Lines by HPC Fire

High Capacity Flex Lines by HPC Fire

Ships in: 1-3 Business Days

SSC-HC12

Length
$26.60 USD
$28.00 USD $26.60 USD
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What's Included

  • (1) High Capacity Flex Line Kit (5/8" OD - 1/2" ID, 1/2" female pipe threads on one end and 1/2" male pipe threads on the other end).

Specifications

Length:

  • 12"
  • 18"
  • 24"
  • 30"

Weight: 2 lbs

Material/Finish: Stainless Steel

Color: Stainless Steel

Fuel Type: Natural Gas and Propane Gas

Heat Output (BTUs):

  • 12" = 180K (NG); 288K (LP)
  • 18" = 164K (NG); 262.7K (LP)
  • 24" = 150K (NG); 240K (LP)
  • 30" = 136K (NG); 217.6K (LP)

Warranty: 1 Year

Assembly: Some Assembly and Retrofitting Required

Documents & Downloads

Shipping & Returns

Shipping:

  • This Product Ships Small Parcel (Ground). For more details, please see our full shipping policy.

Returns & Exchanges:

  • This product is eligible for returns within 30 days of delivery minus 20% Re-Stocking Fee & any applicable Shipping cost. For more details, please see our full return policy.

Disclaimers

Important Safety Notice:

  • This product includes chemicals recognized by the State of California as potentially causing cancer, birth defects, or other reproductive harm. Please handle with care and adhere to all safety instructions outlined in the product manual. For detailed information about Proposition 65 and its implications, please visit the official CA Prop 65 Warning website.

Sooting or Blackening:

  • Due to the nature of Gas Burners, Sooting or Blacking seen on media is normal and to be expected. For excessive sooting, please refer to owner's manual attached.

Engineered for demanding applications, the High Capacity Flex Lines by HPC Fire provide a reliable connection for high-BTU gas systems. With lengths ranging from 12” to 30”, these flexible connectors are built to handle greater gas flow, supporting outputs of up to 288k BTUs for LP and 180k BTUs for NG.

Designed with a 3/4” flare size and equipped with secure 1/2" MIP and 1/2" FIP fittings, they ensure a dependable connection for large fire pits, fireplaces, or other high-output gas appliances. The robust construction and superior gas capacity make them ideal for both residential and commercial installations.

Upgrade your setup with these heavy-duty flex lines, offering the strength and performance needed for optimal gas delivery.

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THE FLAME HAVENS DIFFERENCE

Your Partner in Outdoor Living

Thoughtfully selected products, knowledgeable guidance, and personalized support. At Flame Havens, we're here to help you create an outdoor space that brings lasting warmth, beauty, and meaningful moments.

  • Flame Havens Contact Us icon featuring a gold customer service headset with microphone on a transparent background. The support symbol represents contacting the Flame Havens team for product questions, sales assistance, technical support, order help and guidance with fire pits, burners, accessories and custom fire feature projects.

    Expert Guidance, Not Guesswork

    With years of industry experience and NFI-certified support available, our team helps you navigate product specifications, fuel options, ignition systems, and installation considerations with confidence.

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