www.supplyht.com/articles/91614-product-preview-hybrid-water-heating
Product Preview…Hybrid Water Heating
January 1, 2008
The Eternal GU32 is a hybrid water heating system that uses patented counter-flow design and two-pass heat exchanger technology. It maintains an 86% thermal efficiency rating with consistent pressure. This clean gas-burning appliance emits only 5ppm NOx. Offers plumbers ease of installation and is PVC ventable.
Circle 220
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