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Posted by tk03 on October 04, 2009 at 21:20:38:
In Reply to: Re: Steel vs. cast iron oil boiler posted by HeatPro on October 01, 2009 at 20:49:23:
Not a lot of difference between the steel or cast iron boilers as far as operation or efficiency. Proper sizing and piping is the key to long term operation. The warranties are usually the same.
A bad installation will allow the steel boiler to fail quicker than a cast iron boiler.