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Re: replacing 57 year old iron boiler with??


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Posted by Jason on October 22, 2007 at 06:38:26:

In Reply to: replacing 57 year old iron boiler with?? posted by Herbert Phillips on October 18, 2007 at 14:09:48:

Start with a heat loss. Than decide on the boiler. I like to look at heat loss and amount of radiation to determine which boiler to install. If it is not a system that will condense most of the time the high efficiency you think you get from the condensing boiler does not happen. The hotter the water needs to be to heat the system the less efficient the boiler becomes. Sometimes condensing products are a great application sometimes a good application and sometimes a complete waste of money due to higher up front costs and more maintenance. I think the mod/conís are great and have installed them. I have had great results with cast iron boilers with correct sizing, proper near boiler piping and outdoor reset. Both products will save on average 25-50% savings. When looking at the overall cost of the products you must look at the whole picture, up front costs, cost of operation, cost of maintenance and warranties. How properly sized boiler will operate when plugged into a system is the key. Know the heat loss, how much radiation you have and at what outside temp it will start to condense.


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