Question about Mr. Heater Model MH12TS - Single Tank-top Propane Heater

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Tank-top propane unit won't stay lit

Portable tank-top heater (for 20# tank) lights for a moment but then makes very loud air-fluttering sound and flame goes out. Has to be shut off or vertical tube heats up in a very scary way.

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  • Vernon B. Wingo Feb 24, 2009

    So I need to remove the regulator...Do I take it apart and replace the filter or just replace the whole regulator?

  • David Shaub May 11, 2010

    There is a filter in the screw in part of the regulator. It looks like brass shavings. If it gets clogged, it won't allow enough gas pressure to keep the fire on the catalytic burner. It needs replaced.

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  • Master
  • 2,976 Answers

I had to replace the regulator. If you have a propane appliance shop near you, you can probably just get the nipple that goes into the bottle. It's aboit 3/16" diameter, 3/4" long and may have a 6 sided end up inside the screw on cap of the regulator.

Posted on Feb 24, 2009

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