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[intensedrive]

Had my first boil over, not sure why,  at this point everything seems to be operating correctly today.  Boil Over happened overnight,  I probably lost 25 -35 gallons of water.  Water jacket holds 155 Gallons.  Should I be concerned if this is my first boil over?  What should I check?

Thanks

[RSI]

It most likely didn't hurt anything.

[slimjim]

More than likely, it did not harm your boiler! Check that the damper is clean and working properly, check that the door is ealing properly, Warping and door gaskets, Did you lose power overnight?

[BoilerHouse]

I had my first boil over ever two nights ago.  It was a pretty good one.  The circulating pump died. There doesn't seem to be any ill effects.  I replaced a Chinese Gundfoss clone with an actual Gundfoss.  But it sucks buying stuff in an emergency.  You tend to overpay to get back to normal.  Lesson learnt - have a spare!

[atvalaska]

warm weather = little fire ....is what figured out thus far..

[intensedrive]

Thanks for the help.. Brand new unit.  Door seems to be sealing properly.  Checked the unit over yesterday everything seems fine.  I did not loose power, even if I lost power the damper will close without electricity.  I always try to keep logs and stick a good distance from the natural draft damper.  Double checked the mechanism and spring, and everything seems in proper order.  I'm guessing the damper door stuck open.. Was obvious as the water treatment I added 24 hours before boil over tarnished the roof metal all over, all signs of a vigorous boil over...  When you walk outside in the morning and see this your heart just sinks.

[slimjim]

Understand, in a power outage, yes the flapper closes BUT now you have no circulation of water so the temps will still come up as you still have a raging fire in the coal bed, this is exactly why most Outdoor wood  boilers are open to the atmosphere, SAFETY!