Beckett burner

Old 08-25-10, 05:41 PM
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Beckett burner

I have a three year old Miller furnace, with a Beckett AF15 burner. Last season I noticed a crack in the burner head. I just pulled the burner assembly, and the head was cracked, and also the burner tube was deteriorated where the head screws on. Unable to find a 3" tube locally, I contacted Beckett in Ohio. They transferred me to a Tech, who was able to get me the part. My burner uses a F0 head. The Tech recommended that I use a F3 head, as it allows more air. This is also supposed to solve the tube deteriorating problem ? Has anyone heard of this head modification, and can anyone offer any reason NOT to use the F3 head to replace the F0 ? Thanks
Old 08-29-10, 06:07 PM
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F0 or F3

If the furnace manufacturer specs an F0, stick with it. Which model Miller?

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