How to determine boiler's BTU


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Old 02-03-08, 06:00 PM
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How to determine boiler's BTU

I posted earlier about a boiler that I had purchased. I was told that it was 300,000 BTU. I have just examined the boiler and it has no indication on the boiler nor gun as to it's rating. The nozzle is marked as 1.0 gph and 60 degrees. Can the BTUs be determined by the nozzle?
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Old 02-03-08, 06:31 PM
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Boiler BTU

A 1.00 gph nozzle at 100# of pump pressure will give you an input of about 140,000 btu/hr. If the pump pressure is other than 100#, the input would be different.
 
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Old 02-04-08, 06:36 AM
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I forgot to mention that it is an oil fired boiler, if it makes any difference. How can you tell how many pounds of pressure the pump is set at?
 
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Old 02-04-08, 06:55 AM
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The pump pressure is checked with a pump pressure gauge. You really cannot determine the boiler rating as someone may have changed the burner to something smaller. Is there a model number on the boier?
 
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Old 02-04-08, 12:05 PM
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The boiler unit is at the lake (new development), so I can't get any information from it. The boiler itself has no markings at all. It appears new, but is a heavy cast iron type. The gun is a Volcano brand and is new. No information came the boiler nor gun.
 
 

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