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NG outfit - hot water and hot water heating recommendations

JMH Member Posts: 1

We have a 26 y.o. 100k btu weil-mclain boiler system for our hot water radiator heating system, and a 12 year old 40 gal GE hot water heater. Both run on Natural Gas.

If you were looking to replace both, can you recommend what you would pick for a system that used the existing chimney (conventional), as well as one that was a high-efficiency unit ?

Can you vent the super-high efficiency furnaces and hot water heaters up the chimney, if you install he right small-diameter liner?

Thanks in advance,



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