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Weil-McLain CGi-5 Series 4 119,000 BTU Cast Iron Natural Gas Boiler - W381359006

Weil-McLain CGi-5 Series 4 119,000 BTU Cast Iron Natural Gas Boiler - W381359006

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Weil-McLain CGi-5 Series 4 119,000 BTU Cast Iron Natural Gas Boiler - W381359006

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.

Features
  • Gas fired water boiler with cast iron sections
  • Natural draft and direct exhaust capability
  • Can be used with natural or propane gas
  • Now with built-in low water cut off functionality
  • Compact design saves valuable living space
  • No vertical draft hood and no mechanical vent damper
  • Intermittent electronic ignition with standard components for easy servicing
What Our Experts Think
  • Reliable Cast Iron Construction: Durable cast iron sections resist corrosion and thermal stress for long service life

  • 119,000 BTU Heating Output: Ideal for residential and light commercial hydronic heating systems

  • High Efficiency Design: Engineered for steady, efficient heat delivery and fuel savings

  • Natural Gas Fuel: Consistent combustion performance with easy utility gas hookup

  • Trusted Brand: Weil-McLain reputation for robust, dependable boilers

Q&A

Q: What fuel does this boiler use?
A: Natural Gas

Q: What is the heating capacity?
A: 119,000 BTU

Q: Where is this boiler best used?
A: Residential homes or light commercial heating systems with hydronic distribution

Q: What makes cast iron beneficial?
A: Excellent durability, corrosion resistance, and heat retention for long-lasting performance

Maintenance Tips
  • Annual Service: Have a licensed technician inspect burner, controls, and combustion

  • Check Water Levels: Ensure proper boiler water level and pressure regularly

  • Flush System: Periodically flush to remove sediment and maintain efficiency

  • Inspect Vents & Flues: Confirm venting pathways are clear and stable

  • Watch for Leaks: Regularly check connections and heat exchanger for signs of moisture or wear