Question about Coleman (5040B750) Patio Heater

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The pilot light will not stay lit to light the heater.

As soon as the button that is pushed to light the pilot light is released no matter how long it is held the pilot goes out.

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  • gazoo_1 May 11, 2010

    is the flame covering the tip of the thermocouple?

  • David Shaub May 11, 2010

    The pilot is a glow plug device. It will go out when released.

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  • 91 Answers

The power pile (pilot generator) is defective. It produces a milivolt signal to ensure to keep the gas valve open. If it goes bad, the valve thinks the pilot is out, even when you are holding the button down, so when you release the button, it shuts the gas off to prevent excess gas buildup and a possible explosion.

Posted on Sep 12, 2009

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If you have a different system, such as an electric igniter, you'll have to push a button to engage it, and it should ignite. If it doesn't, it could be defective, or your valve could be going bad.
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