WEIL-McLAIN Ultra Series 3
Ultra Series 3 delivers peace of mind, unmatched comfort and immediate payback in energy savings.
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
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Outdoor reset and domestic hot water priority standard
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Negative regulated gas valve precisely delivers gas to the boiler
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U-Control gives you the power for easy set-up and maintenance
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Modulates with 5 to 1 turn-down ratio
• Variable speed motor matches combustion output to heating needs
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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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