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The universal fire tube medium, mass residential boiler 100K BTU natural gas wall is HTPS high efficiency boiler. The advanced modulating gas condensing boiler has a 316l stainless steel fire tube heat exchanger with a 95% AFUE rating. It is equipped with a state of the art gas leak detector and has ultra-low nox emissions, making the UFT eco-friendly
DHW (with indirect tank)
Pool heater (with indirect tank)
Ultra high efficiency with up to 96% AFUE (annual fuel utilization efficiency)
Suitable for radiant fan, base board, fan coil, DHW, snow melt, and pool heater