Question about Coleman 5040-751 BackHome Open Flame Patio Heater

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Patio heater tip switch doesn't let gas through

I can get the pilot to light by pushing in but as soon as I release the valve it shuts off. I took it apart and the valve routes gas where its supposed to with the tip switch coil removed. With it installed there is no gas to the main valve or pilot unless the valve is held in. The switch and weight itself appears to be fine and the coil is not frozen but the coil does not stay open.Looking at the wiring it looks like pressing the ignitor is supposed to supply current to open it but I can't figure out what is supposed to keep it open since it is spring loaded and there is no power to keep it energized in the heater.

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  • Anonymous Nov 23, 2008

    I moved the heater and cannot get it to light now. I think I tipped it too much.

  • skiplawwill Feb 07, 2009

    I can get the pilot to light by pushing in but as soon as I release the valve it shuts off. I took it apart and the valve routes gas where its supposed to with the tip switch coil removed. With it installed there is no gas to the main valve or pilot unless the valve is held in. The switch and weight itself appears to be fine and the coil is not frozen but the coil does not stay open.Looking at the wiring it looks like pressing the ignitor is supposed to supply current to open it but I can't figure out what is supposed to keep it open since it is spring loaded and there is no power to keep it energized in the heater.

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There is a thermocouple that protrudes up into the flame. If the thermocouple is bad or out of adjustment it will not produce enough electric current to lock the red knob down allowing the heater go into operating mode. This thermocouple is a safety device that senses weather there is a flame or not. If no flame no heat don't turn on. If heat then there must be flame OK turn on. The thermocouple should protrude into the flame about an inch to heat it sufficiently to trigger the valve if it doesn't adjust it into the flame more. If adjusting does no good replace it. Take the old thermocouple to the store you bought the heater at and get a replacement. If you cant get it there almost all hardware stores or heating stores will have generic replacements that will also work.

Posted on Oct 23, 2009

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It sounds like what you are describing is a bad pilot saftey device there is a device called a thermacouple when heated it creates a small electric current which lets main valve know its ok to open we have a pilot flame.the thermacouple normally screws onto gas valve it is 2 spade connectors it is a powerpyle system

Posted on Apr 15, 2009

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You will not be able to blow through a gas valve when it's disconnected. You may have air in the lines which would cause the pilot to go off when knob is released if not held in long enough. Try lighting again. Once the pilot lights - hold knob in for 5 minutes then release. Try twice, if pilot will not stay lit it's probably the thermal coupler. (metal prong right next to flame of pilot burner.)

Mar 13, 2014 | Heating & Cooling

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I cannot get the pilot light to stay lit. I disconnected the burner orifice and to see if the gas was getting through as it seems as if it is.


Several things can cause the problem you're having.

1. Low gas pressure due to a near empty tank or the heaters regulator is locked up and only
allows a small amount of gas to get the pilot. To solve this, turn the gas tank valve OFF & dis-
connect the hose from the tank. Wait 5 minutes & reconnect the hose to the tank. Open the gas
valve VERY, VERY SLOWLY (Slow motion, slow). Once the valve is fully open, light the pilot
and hold the gas control valve in for 30 seconds to 60 seconds. After that time, release the control
valve knob. Did the pilot stay lit? If so, problem solved. If it didn't you will need to replace the
heater's Hose/Regulator Assembly. You can use the same one that's for a gas grill. And find it at
any hardware store or home center that sells grills and accessories for about $30.00.

2. The pilot is dirty and needs to be cleaned. Use a can of compressed air with a straw nozzle (like you clean your computer with) to blow out the pilot tip.

3. The thermocouple has failed and needs to be replaced. If this is the case, you can order a new thermocouple for Blue Rhino (1.800.762.1142) , the manufacturer of your Patio Heater.

I hope this helped you and thanks for choosing FixYa.

Sep 23, 2011 | Endless Summer 153100 Open Flame Patio...

1 Answer

Pilot light wont ignite on patio heater


It may be that your cylinder is malfunctioning, cylinder has a leak, or the pilot is clogged. Please see steps below to troubleshoot. Note:Regular maintenance is critical to the successful operation of your patio heater.
  1. Is the cylinder valve closed? If so, open the cylinder valve but not fully.
  2. Check to see if you can light it manually. If the unit lights manually but not with igniter, service or replace igniter switch.
  3. Ensure that there is no air in the gas line. Open the gas line and bleed it (pressing control knob in) for not more than 1 - 2 minutes or until you smell gas.
  4. There may be a blockage in the orifice or pilot tube? Bugs and spiders get into the pilot assembly, venturi tube and burner ports causing the unit to either not light or poor performance.
  5. Is the regulator hose pinched or kinked?
  6. Cleaning the pilot assembly.
  7. If the piezo igniter won't spark to light the pilot, check the wiring to the igniter, It may simply have lost it's ground. Slide the wire off the igniter prong (looks like a thick needle) on the pilot assembly and then push it back on. That usually will reestablish the ground.
If you continue to have problems with the heater, contact Blue Rhino (the manufacturer) Customer Care 800-762-1142.

Hope this helps you to troubleshoot and solve the problem. Please let me know.

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1 Answer

On my patio heater the pilot light will light but goes out as soon as I release it, even after holding it down a long time. I can't get it to stay on to light the heater.


Check that the pilot light is directed at the thermocouple, a copper 'tube' that heats up when the pilot light is lit. You should be able to see a copper coloured small tube that the pilot light is directed at - if the pilot flame is not heating that tube then the main burner will not light.

If the thermocouple is being heated correctly, then it could be a fault with the thermocouple itself (can be replaced) or the gas valve.

If the pilot flame is not heating the end of the thermocouple you should be able to adjust its position so that the pilot flame is directed at it more accurately

Jan 18, 2011 | Rta International Patio Heater

1 Answer

I go thru the process of lighting the pilot light following the directions exactly, but as soon as I let the pilot light switch pop out so that I can turn it to the left to light the heater the flame goes...


The system works off of a thermocouple that is heated by the pilot. The thermocouple creates millivolts that magnetize a head behind the control knob. When you push in the knob the magnetized head behind the knob holds the gas valve open. So obviously the head is not being magnetized. First make sure that the pilot is not plugged and the flame is large enough to heat the thermocouple. Also sometimes you may need to hold the knob for several minutes before the pilot will stay on. Also patio heaters have a safety feature that will cut the millivolt circuit if the heater falls over. It is possible that this safety device is tripped or defective causing the pilot to not stay lit. Also check for any loose wires on the millivolt system.

Dec 21, 2009 | Endless Summer UniFlame (GWU501E) Open...

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


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.

Sep 10, 2009 | Coleman (5040B750) Patio Heater

1 Answer

Charmglow Patio Heater


The yhernocoupler would snuff the pilot if bad. What ignites the overhead burners? and what regulates the overhead gas supply? Look into this. Too much gas will not light as easily as proper balance gas and air. Even more so in a tower type heater.. Turn the gas on low and the pilot should grab it. Good luck

Jun 05, 2009 | Coleman (5040B750) Patio Heater

1 Answer

Charmglow gas patio heater


Your thermocoupler seems at fault. The thermocoupler is that probe that sits in the pilot flame. It controls the main fuel valve. Make sure that probe is in the pilot flame, better at the tip of the flame and hold the button down for a minute or so after lighting the pilot. If pilot extinguishes, the coupler is faulty. If pilot stays on the heater should fire up when you let up on the pilot button.. Good luck

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2 Answers

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Looks like the knob or the contacts are faulty.

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Patio Heater pilot lights won't stay lit


crappy pilot flame (not properly heating the thermocouple), bad thermocouple, thermocouple loose where it screws into the pilot safety valve, bad safety valve magnet.

One or more of those is the problem.

Oh...there is also a saftey switch...in case it tips over. It will also cause the pilot to not stay lit (if the switch or wires that go to i are faulty)

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