WEIL MCLAIN ULTRA S3 CT GAS BOILER

✓ 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