383500726 Weil McLain ULTRA 399 Natural Gas/LP Gas High Efficiency Boiler S3CT

WMULTRAEFF399S3CT MFG #: 383500726
WMULTRAEFF399S3CT
  • Manufacturer Name: Weil-Mclain
  • Specifications
  • Documents
  • Description
  • Gas Fired Water Boiler
  • Type Water
  • Applicable Standard ASME H, CSA, DOE, AHRI, IBR
  • Supply Connection 1-1/4" Male Threaded
  • Return Connection 1-1/4" Male Threaded
  • Gas Type Natural/LPG
  • Gas Connection 3/4" Male Threaded
  • AGA Input Rating 80 to 399 MBH
  • DOE Heating Capacity 365 MBH
  • Net IBR Rating 317 MBH
  • AFUE Rating 91.7 Percent
  • Air Inlet Connection 4"
  • Boiler Dimensions 22-13/16" Length x 22-1/8" Width x 47-3/8" Height
  • Boiler Material Cast Aluminum
  • Water Content 2.1 Gallon
  • Ignition Type Direct Spark
  • Burner Type High Grade Stainless Steel
  • Venting Type Direct
  • Vent Size 4"
  • Relief Valve Details 30 PSI ASME Relief Valve
  • GPH Recovery 36.5 GPM at 20 Deg F, 18.2 GPM at 40 Deg F
  • Pressure Rating 50 PSI
  • Mounting Type Wall Mount
  • Warranty 12 Year (Heat Exchanger), 2 Year (Parts)
  • Options Wall Mounting Kit, Low Water Cut-Off, Concentric Vent Kit, Indirect-Fired Water Heater
  • Inclusions/Features Drain Valve, Woven Steel Fiber Mesh, Variable Speed Blower Assembly, Venturi Mixing System, Negative Pressure Regulated Gas Valve, 50 VA Transformer, Dual Scale Temperature and Pressure Gauge, Inlet/Outlet Water/Flue Gas/Outdoor/System Water Temperature Sensor, Fully Removable Jacket Front, Adjustable Boiler Legs, Sidewall Vent/Air Termination Kit, On/Off Power Switch, Line Voltage Service Receptacle, Condensate Trap With Drain Tee Assembly, Propane Conversion Orifice, 3.5" LCD Display, Color Coded Removable Terminal Block, Multiple Boiler/Alarm Control Functionality, Ignition Control, Temperature Control, Low Water Protection, Outdoor Reset
  • Vent Material PVC/CPVC
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. 12 Year Heat Exchanger, 2 Year Parts Warranty.