How do I Adjust a Propane Fireplace Regulator?


Propane fireplaces operate with liquid propane (LP) as the fuel. A fireplace regulator adjusts to open the propane valve, allowing more propane to the burner for an increase in temperature. Turning the regulator down restricts the flow of propane and decreases the flame and temperature in a room. Propane fireplace regulators are either manual, remote control or operate with a thermostat.

  • Turn a manual fireplace regulator knob clockwise to reduce the size of flame and heat on a propane fireplace. Turn the regulator knob counterclockwise to increase heat and the size of flame. Manual regulators operate a valve to reduce or increase the flow of propane to the burners to control the temperature in a room and the size of the flame.

  • Press the “+” button and hold it on a remote control to open the milli-volt regulator. Release the button when the flames and heat rise to the desired position. Press and hold the “-“ button on a remote control to decrease the flames and heat in a room to the desired position.

  • Turn a wall thermostat to a higher number to achieve that temperature in a room with a propane fireplace. Turn the wall thermostat to a lower number to decrease the heat in a room.

Tips & Warnings

  • Manual regulators either have arrows in each direction with higher or lower or have numbers on the knob. A higher number increases the propane flow to the burner.
  • Older propane fireplaces with remote controls are wired to the regulator valve, while newer models use wireless remotes. A remote control for a propane fireplace also has an “On” and “Off” button to light the fireplace with an electronic igniter and close the regulator entirely to turn the fireplace off.
  • Wall thermostats are wired into a fireplace regulator. The regulator automatically opens and closes to add or reduce the flow of propane to the burners to achieve the temperature set on the thermostat.

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