383-600-331 Weil McLain SlimFit 750 Series-3 Natural Gas/Propane Gas Commercial Boiler 750 Input MBH 702 Output MBH 610 Net MBH

• Commercial Condensing Gas Boiler
• Type Hot Water
• Applicable Standard CSA, ASME H, AHRI, DOE, CDS-1
• Supply Connection 2" Male Threaded
• Return Connection 2" Male Threaded
• Gas Type Natural/Propane
• Gas Connection 1-1/4" Male Threaded
• AGA Input Rating 750 MBH
• DOE Heating Capacity 702 MBH
• Net IBR Rating 610 MBH
• Air Inlet Connection 6" or 8"
• Boiler Dimensions 47-1/4" Length x 18-3/16" Width x 47-1/2" Height
• Boiler Height Including Draft Hood 53"
• Boiler Material Cast Aluminum (Heat Exchanger)
• Water Content 6.5 Gallon
• Ignition Type Direct Spark
• Burner Type Low NOx High Grade Stainless Steel
• Venting Type Direct
• Vent Size 6" or 8"
• Relief Valve Details 30 PSI ASME Relief Valve Supplied
• ASME Code Yes
• Mounting Type Floor Mount
• Warranty 10 Year Limited (Heat Exchanger), 2 Year Limited (Other Parts)
• Options 50/80 PSI Pressure Relief Valve, Condensate Neutralizer Kit, Intake Air Filter Kit, Sidewall/Vertical Direct Exhaust
• Inclusions/Features 3.5" Color Touch Screen LCD, Variable Speed Blower Assembly, Venturi Mixing System, Temperature and Pressure Gauge, Freeze Protection, Inlet/Outlet Water Temperature Sensor
• Boiler Type Water
• Fuel Gas
• Net IBR 610 MBH
• Vent Type Direct
• Mount Floor
• Heat Exchanger Material Cast Aluminum
• Efficiency 94 Percent (Thermal), 93.6 Percent (Combustion)
• Warranty 10 Year Limited (Heat Exchanger), 2 Year Limited (Other Parts)

Install Instructions
Specification Sheet

High Efficiency;Compact Design and Light Weight - With a Short Width of 18" and a Shipping Weight of Less than 550 Pound, the Slimfit is a Perfect Solution for Retrofits/Replacement Installations with Difficult Access to Mechanical Rooms, Narrow Hallways and Small Elevators;Easy to Install - Completely Wired, Programmed, Tested and Factory Assembled - Allows for Quick On-Site Installation and Startup, Contributing to Lower Installed Cost and Project Timely Completion;Controls Setup Wizard - Guides the Installer Through the Setup and Startup Process, Resulting in Simpler and Quicker Installation;Minimal Clearance Requirements - Zero Clearance on One Side Allows for Installation of Boilers Back-to-Back or Wall-Adjacent, Minimizing the Installation Foot Print;Easy to Own;Efficiency Above 94 Percent - Less Fuel Usage Offers an Environmentally Friendly Solution with Lower Operating Costs, Contributing to LEED Points and Green Building Certifications;Intuitive Interface - User-Friendly Interface Provides at-a-Glance Boiler Status and Easy Access to Troubleshooting, Historical Data and Alarms;Advanced Boiler Controls - Lead/Lag Up to 8 Boilers, Boiler Rotation for Equal Run Hours, Full Modulation for Improved Comfort and Boiler Performance, Warm Weather Shutdown, Frost Protection and Maintenance Reminders are Just Few of Many Features that Come Standard on the Slimfit, Providing Additional Operating Efficiencies at No Extra Cost;Non-Metallic (Composite) Heat Exchanger Base - Protects Heat Exchanger Against Corrosive Environment Caused by Condensate;Water Treatment - Sentinel® Water Treatment and a Test Kit are Included with the Slimfit to Help Extend Boiler Longevity;Peace of Mind and Lower Maintenance Costs;10 Year Heat Exchanger/2 Year Other Parts Limited Warranty