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Posted by Heatpro on November 23, 2005 at 14:04:05:
In Reply to: big trouble posted by Steve on November 23, 2005 at 11:48:58:
You could use the Takagi to heat the house and a tank that gives you hot water, thereby avoiding having a need for a larger meter and more cost.
Everhot up in Mass.
The boiler won't explode unless it loses water. A low water cutoff is a good control to prevent that and you can use it on your future boiler.
A boiler usually cracks on the fireside, so you ordinarily can't use epoxy or others to seal the fireside leak. If the leak is amall, you might be able to slow it some with metal powder and epoxy rubbed into the leak, like some muffler patch, then lower the pressure to 5 psig or so to heat the downstairs. Pepper and other sealers will clog the circulators and you'll never get it out of the system later, so don't add sealer inside.
If the boiler is below the radiation there is a limit to how much water can pass through to make it heat while it dumps water. I wouldn't sleep at night without a low water cutoff with that problem.
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