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Linear Trough Fire Pit Insert – Push Button / Flame Sensing

Flex Line Models

These certified gas fire pit inserts incorporate a whistle-free flex line between the gas valve and burner pan offering insert flexibility and simpler installation.


  • Perfect for fire pits without electricity and need for flame sensing.

  • Flex line configuration

  • Flame sensing - flame blows out, gas will turn off

  • Spark ignition - No match required.

  • Complete drop-in fire pit insert utilizes a standing pilot with thermocouple to safely control gas flow, manual spark igniter (AA battery) and safety pilot valve.

  • CSA Certified up to 140K Btu

  • Comes fully assembled with #304 stainless steel pan & burner, FPPK-HC control box with pilot assembly and whistle-free flex line.

  • CSA Certified Small Tank Approved with use of STLPK Kit if shown with this symbol (*ST*)


Linear Trough Pan Models- FLEX

Model # / Description
FPPK24-TRGH-FLEX- 24” Pan, 24” T-Burner, 36” Flex Line, 50k Btu - *ST*
FPPK36-TRGH-FLEX- 36” Pan, 36” T-Burner, 36” Flex Line, 75k Btu - *ST*
FPPK48-TRGH-FLEX- 48” Pan, 48” T-Burner, 36” Flex Line, 90k Btu - *ST*
FPPK60-TRGH-FLEX- 60” Pan, 60” T-Burner, 36” Flex Line, 90k Btu - *ST*
FPPK72-TRGH-FLEX- 72” Pan, 72” T-Burner, 36” Flex Line, 140k Btu