HB Smith oil furnace


Old 01-18-14, 04:29 AM
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HB Smith oil furnace

I have a 40-50 year old (maybe more) H.B. Smith oil boiler in my warehouse. The access doors were left open, which triggered the sprinkler system and now all the electrical components are damaged. the tenant claims that he heard an explosion which caused the access doors to open. During the 30 years that I occupied the building, this has never happened.

Has anyone ever heard or experienced the access door opening due to an explosion? Thank you.
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Old 01-18-14, 06:01 AM
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There are many things that could cause a boiler to go boom. Your best bet is to get a qualified tech out to inspect it before you do anything.
Old 01-18-14, 08:59 AM
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Yeah, you need a qualified tech out there to look that over.

Sounds to me as if you had an extreme case of 'delayed ignition' where the oil was spraying into the chamber and didn't ignite for some time, then all of a sudden it lit off. This should not have happened if all the safety controls were operating properly.

Sounds to me as if it's high time for replacement.

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