Question about Hayward 250kbtu Ng Pool Heater - Inground

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Heater ignites with a whoosh and blows out the pilot light

The heater works fine once its running, but won't reignite until the pilot is relit.

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  • 1,378 Answers

Thank you for posting your question here on Fixya.com.

Clear out the spiders or other debris that is blocking one or several gas jets into the burner tubes. After the heater lights the first time, use a mirror to see which burners are not producing a flame to know which jets to clean. At least the one closest to the pilot assembly will be blocked.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

Posted on May 31, 2010

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Related Questions:

1 Answer

How can I reignite the pilot?


The nozzle for the pilot light may just need cleaning - use your vacuum cleaner to suck any dirt out.

There usually is an igniter button to restart the pilot light. Press it in and wait a few seconds, then press it again. The pilot light should re-ignite

Mar 13, 2016 | Heating & Cooling

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We have had major blackouts does my bosch highflow 21e need to be reignited or automatic....how long should it be until I get hot water


you have to reignite it yourself turn dial to pilot and press down the light with either the internal igniter or a long match when lit then you turn dial to the ON position .

Apr 25, 2015 | Bosch Water Heaters

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My furnace keeps making an explosion when it ignites


The amount of gas buildup is too great. Make sure the burner ports are clear right next to the pilot light area. - run a small wire into the holes to make sure they are clear then make sure the pilot light is burning into the area next to the burner. A bit of whoosh is to be expected but if it becomes too great it will blow the pilot light out. Sears wall furnaces are prone to this the burners have to be kept clean

Feb 02, 2015 | Heating & Cooling

1 Answer

What would cause the pilot light on a gas heater to keep gooing out


Make sure you have a clean and strong pilot light. Take a rubber tube and blow the pilot head to make sure something didn't partially block your pilot when it was off reducing the heat to the thermocouple or thermopile.

Dec 31, 2012 | Desa International Heating & Cooling

1 Answer

Raypak 403A, burners will not stay lit for more than a few minutes.


i'm thinking after the main valve opens the pressure could be dropping in the pilot tube. this could be due to a dirty, plugged and sometimes spider web inside the pilot tube. rare but does happen, nice warm home for a spider. good luck. if not let me know. could also be weak pilot coil.

Jun 09, 2017 | Pool & Spa

1 Answer

Flame stops suddenly after running for a while. Yes, there is fuel.


Check that there are no leaks, to do a leakage test see patio guide to problem solving. If OK then check the thermocouple, when worn out they will cause the pilot to switch off.

Nov 18, 2011 | Endless Summer 233010 Natural Gas...

1 Answer

Pilot LIGHT KEEPS GOING OUT OUT


The pilot light jet may have got a little bit of dirt or grit in it which is preventing it from keeping alight. If the pilot light has only a weak flame, the whoosh of the main burner igniting can quite often blow out the pilot. Try probing the jet with a fine piece of wire to see it the blockage can be dislodged. You may have to unscrew the jet to clear it by blowing air through it. Make sure gas is turned off first before removing any parts.

The pilot light also has a thermocouple that allows gas to the pilot light while the flame is burning. If pilot flame goes out for any reason, it shuts the gas off to the pilot jet to prevent unburned gas collecting and causing a safety hazard. The thermocouple is bypassed by a switch during the initial ignition and once the thermocouple warms up after a minute or two of holding in the bypass switch, it should maintain the pilot. If, after cleaning, the pilot light keeps going out, it would seem that your thermocouple is faulty and needs to be replaced.

Oct 29, 2010 | Heating & Cooling

1 Answer

Hi im having trouble lighting my water heater and turn the water to hot. it says push and hold the knob and repeatedly press until pilot ignites.


after pilot lite you got to hold it down for 45 sec before you can turn it on..if you still having trouble get a qualify technician to relite it.

Aug 09, 2010 | Honeywell Water Heaters

1 Answer

My hot water tanks pilot light turns off after I have relit it. It stayed on while heating the water in the tank and once it stopped heating the pilot light went out again. What would be causing my...


are you holding button down long enough for thermal coupler to warm up? after pilot lights up, don't immediately let go of button for about 15 to 20 seconds then let go and pilot should stay on. If not, you may need a new thermal coupler for that water heater

Jul 03, 2009 | Water Heaters

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