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Cast Iron Boiler Life

Drew_11
Drew_11 Member Posts: 3
What is the life of a cast iron steam boiler before the sections rot out?

I have a 27 y/o Hydrothem VGA125. I replaced the hydronic seals once and replaced the gas valve and S86 intermittent pilot control about 5 years ago. Time to replace the boiler, or is there good service life left?

Boiler rarely needs make-up water, other than a bucket-full from flushing the LWCO once a month in heating season. Our municipal water is soft and mineral free.

Thanks!

Drew
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