Weil-McLain Ultra Series 4 230,000 BTU Condensing Gas Boiler

Weil-McLain SKU: W383500736

Weil-McLain Ultra Series 4 230,000 BTU Condensing Gas Boiler

  • 1.57 Gallon Boiler Water Volume
  • 94.1% AFUE
  • 3" or 4" Vent Size
  • AHRI Certified
  • Energy Star Certified

Save $1,487.94
Weil-McLainSKU: W383500736

Ready to Ship - Average Delivery Time of 1.85 Days
Retail price:
Sale price$4,990.34 USD Regular price$6,478.28 USD


Weil-McLain is a leading North American Brand of hydronic comfort heating systems for residential, commercial and institutional buildings, since 1881. Contractors, engineers, architects, homeowners, and facility managers alike rely on Weil-McLain boilers for their comfort heating needs. Installed in homes, offices, schools, restaurants, hotels, and other facilities throughout North America, the Weil-McLain brand is among the most trusted and often used in the building industry.


  • Cast aluminum coated heat exchanger
  • Designed to operate in low temperature condensing applications
  • Outdoor reset and domestic hot water priority
  • Modulates with 5:1 turn-down ratio
  • High grade stainless steel burner features quiet operation
  • U-Control gives the power for easy set-up and maintenance
  • Multiple set-up and zone options
  • System sensing recognizes system and outdoor temperatures
  • Temperature management for up to three different set-points
  • Control multiple boilers from a single control panel
  • Standard screen messages provide service alerts and maintenance reminders


In residential installations, this unit comes with a 12-year heat exchanger and 5-year parts limited manufacturer's warranty when the boiler is registered with Weil McLain. For commercial installations, this unit comes with a 10-year heat exchanger and 1-year parts limited manufactuer's warranty.



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