steam boiler overfilling

heat411 · November 2010

removed 80 yr old boiler, over filling! haven't installed steam boiler in 2 yrs!What should i look for?

heat411 · November 2010

overfilling

New install 2 weeks ago, i meant to say , ihaven't insstalled a steamer in awhile!

jpf321 · November 2010

by what means is it overfilling?

has it been properly skimmed/flushed etc. if the water is priming due to contaminants and it is activating the LWCO/auto-feed prematurely/unnecessariliy that would cause an overfill.

what type of LWCO installed?

what type of auto-feed?

pictures would be helpful.

Steve_210 · November 2010

the wet returns

could well be blocked. if the water can;t get back to the boiler fast enough then the auto feeder will feed (presuming you have one). when the water does get back the boiler will be flooded

jpf321 · November 2010

yeah those are really ...

your only two options ...

in-boiler water level violent and dropping due to contaminants ..

or slow returns ..

both *may* be solved by adjusting the timing between when LW is sensed and auto-feed is activated ..

but in the case of contaminants, a thoroughly cleaning and skimming is really the PROPER means of a correction ..

slow returns may just require that the boiler start a bit overfilled to allow a buffer to catch up .. however, be wary of stacked A Dimension so that you don't stack into your mains due to slow returns

even a leak wouldn't show as an overfill.

curious .. why was the new boiler installed? something happen to the old one?

al73 · December 2010

boiler skimming

Steam boiler. What is skimming?

steam boiler overfilling

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