In a December 2014 Plumbing & Mechanical Hydronics Workshop column, we discussed the benefits of dual-fuel systems that combine a geothermal water-to-water heat pump with a mod/con boiler. The boiler ...
THE FCX OIL-FIRED CONDENSING BOILER uses a steel, non-condensing primary heat exchanger coupled with a stainless steel, condensing secondary heat exchanger. THE FCX OIL-FIRED CONDENSING BOILER uses a ...
1. Can I run a hot water zone off an existing steam boiler without a heat exchanger? Yes, but there is a limit to how much radiation your steam boiler can support. Manufacturers list two capacity ...
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