4WI Firetube – Hot Water

4WI Integral Burner, Wetback

• Hot Water
• 100 to 800 HP
• Natural gas, #2 and #6 oil, combination
• 30 to 125 psig on hot water
• Available to <9 ppm NOx

The Cleaver-Brooks Model 4WI Firetube – Hot Water is a wetback firetube boiler designed with 5 square feet of heating surface per boiler horsepower for maximum guaranteed efficiencies.