Question about Coleman (5040B750) Patio Heater

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Regulator may be bad; not enough gas coming out at the top

I have disassembled a large portion of the unit. I can hear the propoane coming out at the top with a slight hissing noice but the smell of propane is very slight. The propane tank is full and functional and I have cleaned out the top section where the gas is emitted. Has the regulator gone bad or is there another issue?

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  • Dale Koehn
    Dale Koehn May 11, 2010

    thanks for your question, it could be that you have a bad regulator, but has it been overly cold ? how many appliances does the propane feed ? are any of the other appliances affected as well ? is the regulator very old ? It could be you have air in the lines and need to bleed them at each appliance, please get back to us and let us know what you find, then we will be able to help you nail down your problem, thanks again, mr.grzz

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4 Suggested Answers

  • 1 Answer

SOURCE: propane will not come thru burners

Most propane problems are due to a new valve on the top of the tank. It is designed to only allow a minimal flow until the line is pressured. This prevents fire flair up from broken or leaking hoses. Always turn the bottle on and wait before trying to light a burner. If the burner is on first, the propane will never come out at full flow or if you have a leak in the system, it won't pressurize sufficiently to allow full flow out of the bottle. There is never "air" in the tank.

Posted on Jan 13, 2009

TheMobilian
  • 8205 Answers

SOURCE: cannot conect regulator to small 16.4 oz propane tank

It must have some sort of packing spacer you need to remove from the hose to attach the tank. LOL

Posted on Apr 12, 2009

  • 333 Answers

SOURCE: I bought a hose to hook up to a 20 lb propane tank

probably need a different regulator

Posted on Jun 22, 2010

  • 4736 Answers

SOURCE: coleman heater model 5445c700 propane camp heater

If you're using a 20lb propane tank (Gas Grill Tank), that may be the problem. Turn off the propane tank at the tank valve and disconnect it from the tank. Wait 5 minutes and reattach the heater hose to the tank. Turn the propane tank valve on very,very slowly until it's all the way open. Try lighting your heater now. If the pilot flame height returned to normal, that was the problem.

FYI - The Thermocouple has nothing to do with the length of the pilot flame. It's a safety feature that stops the gas if the pilot flame goes out for any reason.

Hope that solves your problem. Please let me know.

Rich

Posted on Feb 07, 2011

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*********************************************
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