How to Clean an Old Peerless Wall Gas Heater


A wall-mounted Peerless gas heater is a type of space heater that attaches to the wall and uses gas, unlike most modern units. Many Peerless heaters are sold as antiques, and whether you use the heater as a decoration or for heat, cleaning it regularly can keep it looking its best and help you stay safe, especially if you’re using it for heating.

Things You'll Need

  • Screwdriver
  • Bucket
  • Water
  • Mild soap
  • Sponge
  • Lint-free towel
  • Vacuum cleaner with brush attachment or a duster
  • Turn the Peerless gas heater off and wait at least an hour before trying to clean it. Cut the heater’s gas supply as well. You will find a gas shut off valve under your house or in a wall panel behind the heater.

  • Unscrew the heater’s outer grill with your screwdriver.

  • Pour a couple of tablespoons of mild soap into your bucket and fill the rest with water. With a sponge, wipe down the grill’s surface and all of its nooks and crannies, removing any dust or dirt that has accumulated. Some Peerless gas heaters are considered antiques, so water with no soap will be the safest option to avoid damaging aging surfaces.

  • Wipe the front grill dry with a lint-free towel, or let it air dry.

  • Attach a brush attachment to your vacuum cleaner and carefully vacuum the heater’s interior to remove any dust or debris. If you are uncomfortable using a vacuum, use a feather duster to remove dust.

  • Place the grill back on the gas heater once it’s dry.

  • Screw the grill back onto the heater.

  • Turn the gas back on.

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