7738004895 Buderus 399K Input 96% Efficiency Stainless Steel Commercial Gas Condensing Boiler

• Commercial Condensing Gas Boiler
• Type Hot Water
• Supply Connection 1-1/2 Inch Male Threaded
• Return Connection 1-1/2 Inch Male Threaded
• Gas Type Natural/Liquid Propane
• Gas Connection 1 Inch Threaded
• AGA Input Rating 399000 BTU/Hour
• Net IBR Rating 336 MBH
• AFUE Rating 96 Percent
• Air Inlet Connection 4 Inch
• Boiler Dimensions 24 Inch Width x 21-3/8 Inch Depth x 61-5/8 Inch Height
• Boiler Material 316L Stainless Steel
• Water Content 4.5 Gallon
• Burner Type 316L Stainless Steel
• Venting Type Direct
• Vent Size 4 Inch
• Relief Valve Details 30 PSI Pressure Relief Valve Installed
• ASME Code Yes
• Pressure Rating 80 PSI
• Mounting Type Floor Mount
• Warranty Lifetime Limited (Heat Exchanger), 5 Year (Parts and Labor)
• Options Adapter
• Inclusions/Features Manual Reset High Limit and LWCO with Test Button
• Applicable Standard CSA, ASME, AHRI
• Electrical Rating 120 Volt AC 60 Hertz 1-Phase 4 Amp (Full Load)
• Turndown Ratio 5:1
• Noise Rating 47 Decibel
• Maximum Operating Temperature 194 Deg F

Install Instructions
Specification Sheet

Peace of Mind; Reliability; Comfort : for Providing Comfortable Heating with or without Indirect Domestic Hot Water Tank from a Small Studio Unit up to Commercial Cascade Application; Ease of Installation : Automatic Control Unit for Gas-Fired Appliances with a Premix Burner and a Pneumatic Air-Gas System. Factory Built-In LWCO and Safety Temperature High Limiter with Manual Reset; Control: the SSB has Multiple Parameters, for Heating, Domestic Water Heating, and Circulator Pump, Each Designed for the Most Common Application