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Posted by Ron on November 21, 2005 at 06:55:31:
In Reply to: Weil-Mclain EG-45 Steam Boiler (repair/replace) posted by Jerry Schetterer on November 20, 2005 at 22:33:10:
I would never put stop leak in a boiler. It turns out to be an insulator in the whole system. Trying to get it out later is next to impossible.
To replace a section in a residential cast iron boiler can be a real challenge. It can be done if the section is available but 50/50 chance it will go back togather without leaking. Why chase all the money after a 25+ tear old boiler?
I would replace the entire boiler. All units are more efficient and under warranty. If properly sized and piped you will end up with a boiler and parts warranty and save money throughout the heating season.
Do not accept a boiler sized off the old boiler or the amount of radiation. Both of these common practices will oversize the new boiler. Oversizing decreases efficiency, increases fuel consumption and increases wear on all the controls and motors. BIGGER IS NOT BETTER!
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