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Posted by david on March 21, 2010 at 15:43:57:
In Reply to: Raypak water tube posted by Clayton Moore on March 10, 2010 at 07:35:33:
: I have a few Raypak water tube boilers in my schools.
: We have had a problem with one boiler in particular.
: It started making shuttering sounds like it was overfiring. We tore it apart and found out that the ribbon burners were BLOWN apart. Tubes were destroyed.
: Looked like each burner had a 12 gauge shot gun stuck down them and blown out the back.
: Why would this be happening?
: We had them replaced by OEM rep and they said that it was because they were dirty. I find it hard to believe because we have 5 others with no issues. Gas pressures and air flow is fine within manf requirements. Water flow is fine according to Balance report.
: Boilers are only 2yrs old.
: After we replaced them they are showing signs of heat treating. metal fatigue spots. they say it is normal.
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