How do I make my gas fireplace flame higher?

Author: Emerald Adams  |  Last update: Wednesday, March 18, 2026

Turn the key valve counterclockwise as far as it will turn to open the gas line. Start the fire by following your gas fireplace lighting instructions. Turn the gas control knob to high to increase the flames in your fireplace if applicable.

Why is the flame not high on my gas fireplace?

A buildup of dirt, dust, or soot on the burner or pilot orifice can obstruct the flow of gas and reduce the flame's intensity.

Why does my gas fireplace always have a small flame?

Historically, many gas fires used pilot lights as their primary ignition source. The constant, small flame was always ready to ignite the main burner when the fire was turned on, providing convenience and reliability.

Why is my gas fire pit flame so low?

The major cause of a low flame is a clogged orifice. Spiders climb in when not in use and build webs. When the gas is turned on... the web is blown across the orifice opening. Typically the burner needs to be slid off the orifice for cleaning. Use a very small drill bit or pin or bristle of steel brush.

Can you control the flame in a gas fireplace?

Once the cover is secure, you can safely control the fireplace using the gas valve key, turning it counter-clockwise to increase the flames and clockwise to decrease them.

How to Adjust Fireplace Flame

Can you adjust the flame height on a gas fireplace?

Gas fireplaces typically come with adjustable flame settings that allow you to customize the heat output and appearance of the fire. Adjusting the flame height is not only about aesthetics—it can also have an impact on the efficiency of your fireplace.

What are all the knobs on my gas fireplace?

A gas fireplace control panel usually has a red igniter pilot knob and a control dial. The pilot knob should have the options “Off,” “Pilot” and, in some models, “On.” Here's how to light a gas fireplace with a control panel. Turn the knob from the “Off” to the “Pilot” position.

Why is my gas flame not high?

Regulator and Valve Issue: Low flame can be caused by problems with the gas regulator or the control valve. If the regulator does not work properly, it can limit the amount of gas reaching the burner. Burner Issues: Clogged or broken burners may disrupt normal gas-air mixing, resulting in a poor flame.

How do I get a bigger flame in my gas fireplace?

Turn the key valve counterclockwise as far as it will turn to open the gas line. Start the fire by following your gas fireplace lighting instructions. Turn the gas control knob to high to increase the flames in your fireplace if applicable.

How to adjust the flame on a gas heater?

To adjust the height of the pilot flame, turn the flame adjustment screw until the flame is from 1 1/2 to 2 inches (3.8 to 5.1 centimeters) high. The adjustment screw is located near the gas valve on the pilot assembly, if the control has this adjustment feature.

How to increase flame size on gas firepit?

Make sure the valve on your propane tank is fully open. Inspect the gas level: A low or empty tank will obviously affect flame height. Replace or refill the tank if needed. Examine the regulator: The regulator controls the flow of propane to the burner.

What is the most common problem with gas fireplace?

One of the most common problems faced by homeowners with gas fireplaces is the pilot light going out or not staying lit. The pilot light is a small flame that ignites the gas burner, which produces the heat for your fireplace — if the pilot light goes out, your fireplace won't work.

How should a gas fireplace flame look?

you always want to see a blue color flame. A gas flame appearing yellow or orange in color or behaving with pops of yellow or orange indicates an improper ratio of oxygen for combustion. Often this improper combustion is temporary and could be caused by dust particles or a dirty burner that needs cleaning.

How do I maximize the heat in my gas fireplace?

There are several ways to increase heat output from your gas fireplace. Some methods include using a fireplace blower to circulate the air, installing a heat exchanger, placing a fireback behind the fireplace to reflect heat, and converting a gas fireplace to a gas insert.

How do you fix a low flame on a gas burner?

HOW TO FIX LOW FLAME/HEAT ON A GAS BURNER
  1. Start by turning everything off, including your gas flow at the tank.
  2. Disconnect the regulator from the tank and allow everything to sit for about 5 minutes.
  3. Reconnect the regulator to the tank and slowly open the valve all the way.

How do you fix a gas fireplace flame too low?

You can use canned air to blow through the burners and remove any debris from the orifices. Removing such debris is vital because it could inhibit or block the flames. This is one of the causes of low flames in your fireplace. It is also helpful to look for any blockages in the burner orifices.

How to make a fire stronger?

Tips for a Better Burn
  1. Split the wood into smaller pieces. ...
  2. Bring wood, particularly kindling, inside the night before you use it. ...
  3. Knock the bark off the wood before bringing it into the house. ...
  4. If your wood still has bark on it, put the split side or the non-bark side of the log toward flame.

How do I make my gas grill flame higher?

Turning the regulator clockwise increases gas flow; turning it counterclockwise reduces gas flow. In some cases, simply adjusting the regulator can allow for more gas to flow, increasing the flame. If that doesn't work, the regulator may be stuck, which will require that you release the pressure. Open the grill's lid.

Why is my gas fire not going to high flame?

A clogged or faulty burner can cause performance issues resulting in a low gas flame. In addition, carbon build-up, gas residue, and debris can inhibit the burner's ability to function correctly, leading to premature failure. If cleaning the burner doesn't solve the problem, it may need to be replaced.

How do I get more flame from my gas fireplace?

For your safety, ensure your gas is turned off and then simply brush away some of the media from the holes in your burner. Once cleared, turn your gas back on and your flames should be vastly improved.

Why are the flames uneven in my gas fireplace?

If you notice uneven flame distribution in your gas fireplace, it is important to address the issue promptly. Start by checking for any obstructions or debris in the burner ports and clean them if necessary.

Do gas fireplaces always have a little flame?

Your gas fireplace is never actually 'off' in the usual sense of that word. For most fireplaces, there is a very tiny flame that is always burning, and that's called your pilot light. Some newer fireplaces feature a standing pilot system with an 'intermittent pilot,' where the pilot isn't actually on all the time.

Where is the gas control knob on a gas fireplace?

First, locate the fireplace controls, they are located usually behind a louver or panel at the bottom of the fireplace. Next, locate the control knob on the gas valve, it usually has 3 labels Off, On, and Pilot. You will also want to locate the ignitor button; it looks very similar to a starter on a barbecue grill.

What is the little lever on the side of my fireplace for?

The handle on the left-hand side is for your combustion air intake; think of this as a gas pedal in a car but is used for controlling the intensity of your fire. The handle on the right-hand side is for your flue damper; this control is used primarily to slow down the chimney draft.

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