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My bosch AQ 125FX keeps running the fan, but won't start a flame

With the propane ON and the power ON, the blower fans runs all the time but the flame igniter will not start the burners when I open a hot water tap

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co7196
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SOURCE: Bosch AQ 125XNG water heater burner frequently won't light

May be That we have something we can try. first, what doesn't work most of the time? Blowing with all you mite or jumping out of the way before your hair gets singed?
I think it sounds like you might have a maladjusted ignitor. Mispositioned. Its not in the gas path. Sometimes this happens as the tungsten ignitor wears down. That can be adjusted by repositioning the ignitor so it is in the pat of the gas. Just don't test as you go. Set the ignitor so the arc is about 1/4 inch long and about 1/4 inch away from where the gass comes out. Keep clear of the access hole. The longer it takes to ignite, the more gas build up there is. Have your exhaust vent checked. restriction keeps it from drafting and drawing enought air to balance the air gas mixed to ignitable.

Be careful and be safe

Posted on May 18, 2009

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May be That we have something we can try. first, what doesn't work most of the time? Blowing with all you mite or jumping out of the way before your hair gets singed?
I think it sounds like you might have a maladjusted ignitor. Mispositioned. Its not in the gas path. Sometimes this happens as the tungsten ignitor wears down. That can be adjusted by repositioning the ignitor so it is in the pat of the gas. Just don't test as you go. Set the ignitor so the arc is about 1/4 inch long and about 1/4 inch away from where the gass comes out. Keep clear of the access hole. The longer it takes to ignite, the more gas build up there is. Have your exhaust vent checked. restriction keeps it from drafting and drawing enought air to balance the air gas mixed to ignitable.

Be careful and be safe

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