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Posted by Heatpro on April 26, 2006 at 10:58:03:
In Reply to: Re: which is a good gas type hot water boiler posted by joe1554@aol.com on April 26, 2006 at 09:28:43:
longevity is probably the most important consideration for buying a boiler, unless one's hobby is to change them periodically. It is difficult to know what the longevity of these boilers will be. Cast iron is inert; but if oxygen is let in it will corrode quickly. Stainless steel with many connections as in the Munckin has concerns. Aluminum castings as in the Trinity have concerns as did the aluminum engine blocks in cars. Leaks will kill any good boiler. The most important consideration is if you can get a plumber that will allow ABSOLUTELY NO leaks into the system so corrosion is stopped. For my plans, I am looking for a standing pilot (so the yearly sensor-coating problem of electronic ignitions doesn't appear) boiler that condenses (so it is 90+ efficiency.)