How to Convert a Heatilator GCDC8O to Propane

Heatilator is a manufacturer of electric and wood-burning fireplaces for use in a home. They also make gas fireplace inserts. If you have a model GCDC 80 fireplace that uses natural gas you can convert it to propane by switching the fuel source. After your propane tank has been installed by the gas company you need to modify the existing gas supply line to the fireplace. This requires a natural gas to propane conversion kit.

Natural gas to propane conversion kit
Pipe wrench
Fireplace key
Match lighter

Instructions

- 1
  Locate the shut off valve for the gas supply line for the fireplace. Close the shut off valve by turning it clockwise with the fireplace key.
- 2
  Loosen the fitting connecting the gas line to the fireplace with the pipe wrench. Turn the fitting counterclockwise and remove the gas line from the fireplace.
- 3
  Remove the orifice inlet on the fireplace. Hand tighten the propane gas inlet from the conversion kit. Tighten the new orifice inlet fully with the pipe wrench.
- 4
  Attach the end of the gas line onto the new orifice inlet. Tighten the fitting on the gas line with the pipe wrench.
- 5
  Open the shut-off valve for the gas supply line by turning it counterclockwise with the fireplace key. Light the match lighter and then set the flame on the gas igniter to produce the fire.

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