Triangle Tube Boiler

Key Features » 96% AFU Efficiency » Abundant Domestic hot water with standard mixing valve » Highest water content in the industry » Ideal for small zones without short cycling » Self Cleaning / Self Descaling » Condensate washes combustion residue away when streaming down the tubes resulting in a constant efficiency and reduced maintenance » Quiet operation » Fully Modulating » Built-in exclusive “Tank-in-Tank” » Unparalleled resistance to corrosion » Less sensitive to water flow » Vertical Firetube Design » 439 Grade Stainless Steel Heat Exchanger » Impervious to chloride cracking » Stable temperature control » Low pressure drop » Condensate washes combustion residue away » Control panel with digital display » Standard Outdoor Reset » Digital Display » Direct Vent / Sealed Combustion

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Weil Mclean Ultra series

Key Features -Gas fired water boiler with cast aluminum heat exchanger -Venturi mixing body mixes air and gas providing higher efficiency -Designed to operate in low temperature condensing applications -Outdoor reset and domestic hot water priority standard -Negative regulated gas valve precisely delivers gas to the boiler -U-Control gives you the power for easy set-up and maintenance -Modulates with 5 to 1 turn-down ratio -Variable speed motor matches combustion output to heating needs -High grade stainless steel burner features quiet operation, high efficiency, and cleaner combustion for low NOx applications -Ultra 310 93.3% efficient rating is a gross output and combustion efficiency

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