Featuring no risk of lime scale buildup inside tank, SHIELD™ models include 125,000 Btu/hr unit with 65 gal storage as well as 150,000 and 200,000 Btu/hr versions available in ASME or standard construction. Water/gas/air/vent connections on top promote installation flexibility, and design with 11 connection points in water recirculation piping minimizes leak potential. Other features include control board, stainless steel heat transfer system, and fully modulating burner with 5:1 turndown.
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