RAYTHERM ™ COMMERCIAL BOILERS AND WATER HEATERS THE FIRST AND STILL THE BEST
THE FIRST AND STILL THE BEST! In 1948, Raypak introduced the first copper-fin tube designs for hydronic heating and hot water supply. Since then, Raypak boilers and water heaters have consistently led the industry in engineering innovations and quality improvements. Nearly 60 years and over one million installed units later, Raypak is still the undisputed leader in quality and reliability. That's why more heating professionals rely on Raypak than any other manufacturer.
FEATURES Rugged All-Bronze Headers Finned Copper Tube Heat Exchanger Combination Modulating Valves resist corrosion, and are easily removed for inspection or service. Cast iron headers with porcelainized waterways are available. single bank, straight through design delivers lowest pressure drop. Integral fins have ten times the heat transfer surface of plain tubes. automatically size boiler to loads as low as 20% of full input for maximum fuel economy. Standard on Type NH boilers.
MODEL INFORMATION Models 514-824 Models 133, 181-401 Outdoor model shown Indoor model shown Indoor model shown MBTUH† Model No. Dimensions (in.) Overall Height Depth Water Flue Conn. Dia.
