Ultra 105 - 81,000 BTU Output High Efficiency Boiler (Nat Gas or LP) Zoom

Ultra 105 - 81,000 BTU Output High Efficiency Boiler (Nat Gas or LP)


Brand: Weil Mclain

Weil Mclain
383-500-702 has been discontinued.
Direct Replacement:
SKU: 383-500-722
Brand: Weil Mclain


Fuel Type: Propane
Natural Gas
System Type: Hydronic (Water)
Features: EI/Spark Ignition
Direct Vent
Vent Size: 3"
Water Connection: 1"
Gas Connection: 1/2"
BTU Input: 105000
BTU Output: 81000
Warranty: Limited 15 Year Warranty on Heat Exchanger/ 1-year on parts
Width (Inches): 22-13/16"
Vent Type: Direct Vent
Boiler Type: High Efficiency

Description for Weil Mclain 383-500-702

**Series 3 Ultra Boiler
Key Features
- Gas fired water boiler with cast aluminum heat exchanger
- 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
- Electronic control module automatically adjusts blower speed and gas flow rate in response to environment
- Modulates with 5 to 1 turndown 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.

  • Propane Conversion Orifice included for LP Gas Applications

    Hydro-Core Near Boiler Installation Options::
    • FT-144 1" Ultra Component Kit

      PLEASE NOTE: The product weighs 154 lbs. and may require the use of a
      lift gate.
      If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.
  • Ultra 105 - 81,000 BTU Output High Efficiency Boiler (Nat Gas or LP)

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