The boiler adopts an environmentally friendly combustion method - full premixed combustion, and the gas and air are precisely adjusted and premixed in advance to ensure more complete combustion.
The boiler adopts a double-drum longitudinal "D" type arrangement structure; water, steam or steam-water mixture flows in the pipe; flame burns and flue gas flows outside the pipe, forming extremely fast steam-water.
Compare ENERGY STAR Certified find rebates and learn more Compare ENERGY STAR Certified find rebates and learn more Homepage Header Links About; For Partners; Homepage Header Search box Natural Propane Efficiency (AFUE): 97 HTP - EFT-55 Compare Fuel Type: Natural Propane Efficiency (AFUE): 96
Add to Ultra 155 - 123000 BTU Output High Efficiency (Nat or LP) 383-500-735 Ultra 155 - 123000 BTU Output High Efficiency (Nat or LP) SKU: 383-500-735 Brand: Weil-McLain - + $314999 each
Sort by Display per page View as Grid Add to compare Add to wishlist X-206N-GH Hot Water 146000 BTU 84% AFUE Chimney Vent SKU: 115874 US X-206N-GH 84% AFUE 1 Stages 146000 BTU
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