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My damn heater will not heat pool. I am having big party tomorrow. They say it might be pilot light. I don't know how to fix that.

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I don't have your model, but generally for a propane heater pilot flame.
Locate the pilot flame hole
1. there is a red pilot lighting button you have to hold down.
2. while holding down the button, with a long match hold it to the pilot lighing hole, there will be something that looks like a metal wick.
3. hold it for about 8-10s and holding the button.
4. let go of the button and the flame should remain on.
Hope this helps.

If you don't have a long match, I have wind tight a piece of paper and used that for lighting. good luck

Posted on May 15, 2010


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Heater is corroding pilots at an alarming rate..........1 per there a potential fix or is it time to replace

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I had a model 206 (full line has P-M206A-EN-C) . I am getting an error code ROL and also I think the pilot light is out and don't know where it is located. I would appreciate any help. If there is a...

Thank you for posting your question here on

The E in your model number means it is an electronic do not have a pilot. ROL means your flame rollout sensor is open. Either the wiring to the sensor or the sensor itself is faulty or there is a flame rollout issue causing the heater to shut down for good reason and the cause of the rollout needs to be determined and corrected in order to run the heater.

The replacement part for the switch is 006035F. It will need to be replaced since one it burns open it is shot.

Causes for flame rollout issues include blocked gas venturies on the manifold causing a sudden and violent ignition of gas as it lights the burners or blockage of heat and flue gas from escaping across the heat exchanger and out the top of the heater.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at Positive feedback is appreciated once your problem is solved!


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I am a new homeowner. I have an H400IDLunit that is a pool/spa combo. The code reads "00" in the heater window and does not change when the unit controlls are pressed. I have an aqualink...

I don't know if there is a pilot light, spark ignitor or thermal ignitor. I would determine by inspection what kind it has. If you open the front cover you will find a gas valve. It can be identified by following the gas pipe that enters the side of the heater and attaches to the gas valve. If the valve has a control knob on it that has an off, on and pilot position then it is a pilot type. If this control is not on the valve then the unit includes an automatic ignitor.

To light a pilot equipped system place the knob in the pilot position, push it down, and use a flame to light the pilot. If you hear gas flowing from the pilot but it won't light then there is air in the line and it needs to be purged. Holding the pilot lighting valve down long enough will purge it but may take a long time. Periodically you can check it by trying to light it. If it lights watch it for a while before trying to turn the heater on to make sure it is fully purged. Once the pilot is stable and the thermocouple is heated the pilot valve can be released and it should stay lit. If not, try again.

Don't get down and look into the burners while you are trying to start the system because it could flame out and burn your face. If you turn on the heater again then the gas valve should come on and the burner should light. You can usually hear a loud snap when the gas valve come on. You should then hear the gas flow to the burner. If the burner doesn't light you should be able to smell the gas. If it lights exhaust will be coming out of the vents in the top of the heater.

I am sure you will have more questions so please respond with them. I hope this helps.

Sep 04, 2011 | Hayward H-series Electronic Gas Pool...

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My pool heater doesn't come on. The pilot is lit, and the valve to the ON position. I turn the front knub to heat but when I turn the switch on the front panel to ON it doesn't fire on (...

If your pilot light is lit, then you do have some gas flow, so it is probably the thermocoupler (the part heated by the pilot light) that is not telling the gas valve to open the main line. Sometimes it is just a case of residue on the thermocoupler that is not letting it get up to temperature and sometimes it has been knocked out of alignment and the pilot light is not putting direct heat on it.

A cleaning with steel wool (don't overdo it) would take care of the residue, and you can GENTLY move the thermocoupler back over the pilot flame. If neither of that helps then replace the thermocoupler.

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Do you have 24V at the brown wire of the gas valve? If you do then it is probably a bad gas valve.
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How do you light the pilot of a Hayward Heatmaster 400

If you have a pilot that need's to be lit you turn your gas valve to pilot and hold it down while you light the pilot and keep it down for 30-40 seconds to let the thermopile heat up enough to hold the gas valve on by itself. Then turn the gas valve to on.
Most heaters now will have an electronic ignition for the pilot or a hot surface ignitor. If you have power going to the heater then you have one of these heaters.
Let me know how you do. If it is one of these we can go further. Good luck.

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