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Posted by MurphMan on November 03, 2006 at 16:36:45:
In Reply to: Re: Fluctuating water gauge posted by boiler noob on October 26, 2006 at 22:54:54:
: : : replaced old unit once i purchased home, about 3years ago, happening since. not sure if happened with old unit.
: : : please expand on "inadequate water volume of the boiler in system" does it mean boiler is too small for house?? or could it be boiler evaporating water too fast and water is not returning fast enough??
: : +++ Yes, it is a problem frequently heard by manufacturers after they used new casting methods and could reduce the internal water volume of their boilers; so they came up with ways of adding tanks to extend the water line (add the water volume back) or recommend installing a condensate pumpset (thus increasing replacement cost.)
: :
: : can the burners on boilers be adjusted, or lowered??
: : +++ Not on gas strip boilers, the extra secondary air mix with the fuel dampens the fuel efficiency. Power burners, yes.
: : boiler is 225,000btu house is 2 levels, property size is about 25x60, build in 1930's
: Thank you for your help thus far
: I guess the bottom line is, would you recommend i spend the money to have this corrected (about how much would that be??) or since it's essentially working, that i just leave the water level above water gauge. would it have any negative effects..
: thanks again
I just experienced this with a new boiler, and suspected inadeqauet water volume as well. bt the factory tech man advised that it was very rare that a residence would need additional water capacity.
The water levele should be relatively steady. It will bounce if there are contaminates like oil in the water. A second 'skimming' procedure was needed to remove the contaminates that float on the water surface. This corrected my proble, and skimming/cleaning will likely correct yours.