February 20, 2015

How to convert a gas range to operate on LP gas

By Lyle Weischwill
How to convert a gas range to operate on LP gas

This DIY repair guide gives step-by-step instructions on how to convert a natural gas range to operate on liquid propane (LP) gas. Gas ranges typically come equipped to operate on natural gas. Install the LP conversion kit if you want to use LP gas. This guide is for reference only; carefully follow the instructions included with the manufacturer-approved LP kit to convert your range.

This guide shows how to convert some Kenmore, Frigidaire and Electrolux ranges to operate on LP gas.

Quick links
Tools required
Wrench set
Socket wrench set
Slot screwdriver
Metric nut driver set
Work gloves
Repair difficulty
Time required
30 minutes or less
Repair difficulty
Time required
30 minutes or less

Instructions

  1. 01.

    Shut off electricity and gas

    At the breaker panel or fuse box, shut off power to the range. Turn the gas shut-off valve to the off position.

  2. 02.

    Remove the grates, burner caps and burner heads

    Remove all the cooktop grates and then lift the gas burner caps off the burner heads.

    Using a 3/16-inch socket, remove the nuts that secure the gas burner heads in place.

    Remove the burner heads from the cooktop.

    Tip: Mark the burner caps and heads with a note indicating their location (Left Front, Right Front, Left Rear, Right Rear).
    Remove the grates.

    Remove the grates.

    Remove the burner caps.

    Remove the burner caps.

    Remove the burner heads.

    Remove the burner heads.

  3. 03.

    Remove the natural gas orifices

    Using a 7-mm nut driver, remove the orifices from the burner orifice holders.

    Remove the orifices.

    Remove the orifices.

  4. 04.

    Install the LP orifices

    Determine which LP orifices go to the range burners. Screw the LP orifices firmly onto the burner orifice holders.

    Install the LP orifices.

    Install the LP orifices.

  5. 05.

    Reinstall the burner heads, burner caps and grates

    Position the burner heads in the correct locations.

    Reinstall the burner head screws, tightening them firmly.

    Cover the burner heads with the correct burner caps.

    Reinstall the grates on the cooktop.

    Reinstall the burner heads.

    Reinstall the burner heads.

    Reinstall the burner caps.

    Reinstall the burner caps.

    Reinstall the grates.

    Reinstall the grates.

  6. 06.

    Remove the warmer drawer

    Open the warmer drawer fully.

    Pull up on the left release lever and pull the warmer drawer out slightly.

    Push down on the right release lever and pull the warmer drawer out of the range.

    Push the left release lever up.

    Push the left release lever up.

    Push the right release lever down.

    Push the right release lever down.

  7. 07.

    Convert the pressure regulator

    Using a wrench, unscrew and remove the hex nut cap on the pressure regulator.

    Remove the plastic conversion plug.

    Flip the conversion plug over and reinsert it into the pressure regulator.

    Reinstall the hex nut cap.

    Remove the hex nut cap.

    Remove the hex nut cap.

    Remove the plastic conversion plug.

    Remove the plastic conversion plug.

  8. 08.

    Convert the oven broil burner

    Position a wrench on the gas tube to hold it stationary.

    Using a second wrench, tighten the broil burner orifice spud 1- 1/2 turns to bottom out snug against the burner tube. Do not over-tighten.

    Loosen the air shutter lock screw and open the air shutter fully.

    Tighten the air shutter lock screw.

    Tighten the broil burner orifice.

    Tighten the broil burner orifice.

    Loosen the air shutter screw.

    Loosen the air shutter screw.

    Open the air shutter.

    Open the air shutter.

    Tighten the air shutter screw.

    Tighten the air shutter screw.

  9. 09.

    Convert the bake burner

    Tighten the bake burner orifice spud 1- 1/2 turns to bottom out snug against the safety gas valve. Do not over-tighten.

    Loosen the air shutter lock screw and open the air shutter fully.

    Tighten the air shutter lock screw.

    Tighten the bake burner orifice.

    Tighten the bake burner orifice.

    Loosen the air shutter screw.

    Loosen the air shutter screw.

    Open the air shutter.

    Open the air shutter.

    Tighten the air shutter screw.

    Tighten the air shutter screw.

  10. 10.

    Reinstall the warmer drawer

    Position the warmer drawer on the rails and push it shut.

  11. 11.

    Reconnect gas and power

    Switch on the electrical circuit breakers and the open the gas supply valve.

  12. 12.

    Check the burners

    Check all surface burners for a proper flame.

    Test the oven burners and adjust the air shutters to achieve the proper flames.

    Tip: If the oven flame is lifting away from the burner, reduce the air shutter opening.
Warning: Undertaking repairs or maintenance to appliances or power equipment can be hazardous. Should you choose to undertake repairs or maintenance, you are assuming the risk of injury to your person or property. In an effort to reduce the risk, use the proper tools and safety equipment noted in the applicable guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs or maintenance, however, should only be performed by a qualified technician.
Warning: The LP conversion kit must be installed by a qualified installer, who must be experienced in such work, familiar with all precautions required and comply with all state and local requirements. Failure to follow instructions may result in fire, explosion or production of carbon monoxide causing property damage, personal injury or loss of life. The qualified installer is responsible for the correct installation of the LP conversion kit. Don't attempt this conversion unless you're a qualified installer.

Symptoms common to all ranges

Choose a symptom to see related range repairs.

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner igniter, oven door problem
Main causes: broken broiler element, weak or broken boil burner igniter, control system failure, faulty temperature sensor, wiring failure
Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sensor, wiring failure
Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure
Main causes: broken oven door lock assembly, wiring failure, electronic control board problem
Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner igniter
Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleaning the door

Repair guides common to all ranges

These step-by-step repair guides will help you safely fix what’s broken on your range.

July 20, 2018
By Lyle Weischwill
How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it doesn’t control the oven light properly.

Repair difficulty
Time required
 30 minutes or less
February 20, 2015
By Lyle Weischwill
How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.

Repair difficulty
Time required
 30 minutes or less

Articles and videos common to all ranges

Use the advice and tips in these articles and videos to get the most out of your range.

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