WEIL-MCLAIN Ultra™ Series 4 Natural Gas Boiler 207 MBH 94.1% AFUE

The WEIL-MCLAIN Ultra™ Series 4 Hot Water Natural Gas Boiler (Model 383500736) delivers 207 MBH of heating power with a 94.1% AFUE efficiency, featuring a nano-coated cast aluminum heat exchanger for superior performance and durability.

🔥 Product Overview
• Model: Ultra™ Series 4 – 230 (Part #383500736)
• BTU Input: 207,000 BTU/hr (207 MBH)
• AFUE Efficiency: 94.1%
• Fuel Type: Natural Gas
• Boiler Type: Modulating condensing hot water natural gas boiler
• Vent Type: Direct vent or power vent

🧱 Construction & Technology
• Heat Exchanger: Cast aluminum with nanotechnology coating (“Ultra Armor”)
• Resists scale and corrosion buildup for sustained efficiency
• Burner: High-grade stainless steel for quiet, clean combustion
• Control System: Integrated digital control with outdoor reset and multiple temperature setpoints
• Turn-Down Ratio: 5:1 modulation for precise load matching

📐 Technical Specs
• Installation Type: Indoor residential or light commercial
• System Compatibility: Can control multiple boilers or heating zones
• Temperature Management: Supports 1 to 3 setpoints for zone control
• Warranty: 5-year extended warranty on service parts with registration (residential use only)

✅ Key Benefits
• Exceptional energy savings with 94.1% AFUE
• Nano-coated heat exchanger maintains peak performance over time
• Quiet operation and compact footprint for flexible installation
• Advanced controls for optimized comfort and efficiency
• Ideal for radiant, baseboard, or hydro-air heating systems

The WEIL-MCLAIN Ultra™ Series 4 207 MBH Boiler is a top-tier choice for homeowners and contractors seeking high-efficiency heating with advanced technology and long-term reliability.

We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:

Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale

Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley

Contact us today at (631) 779-3196