High Efficiency Heating and Hot Water Product Features The Crown Phantom Combi boiler combines space heating and domestic hot water production while maintaining an impressive efficiency rating of 95% AFUE with a 10:1 turndown ratio. Stainless Steel Water Tube Condensing Boiler ...High Efficiency Heating and Hot Water Product Features The Crown Phantom Combi boiler combines space heating and domestic hot water production while maintaining an impressive efficiency rating of 95% AFUE with a 10:1 turndown ratio. Stainless Steel Water Tube Condensing Boiler Technology Stainless Steel Heat Exchanger The Phantom boiler uses condensing technology, allowing the boiler to recover heat energy in the exhaust gas that might otherwise be expelled from your home.
This is what allows the boiler to reach such high levels of efficiency. Compact Wall Mount Installation 10-to-1 Turndown Ratio Outdoor Reset