Weil-McLain CGi-4 Series 4 90,000 BTU Cast Iron Natural Gas Boiler - W381359004

Weil-McLain CGi-4 Series 4 90,000 BTU Cast Iron Natural Gas Boiler - W381359004

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

• Durable Cast Iron Build: Cast iron heat-retaining sections resist corrosion and stress for long-lasting performance

• 90,000 BTU Heating Output: Well-suited for small to medium homes and light hydronic heating systems

• Efficient Natural Gas Operation: Provides steady, cost-effective heat with reliable combustion performance

• Trusted Weil-McLain Engineering: Dependable design from a respected boiler manufacturer

• Hydronic Heating Ready: Ideal for radiant floors, baseboard, or radiator systems needing consistent warmth

Q&A

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

Q: What is the heating capacity?
A: 90,000 BTU

Q: Where is this model best used?
A: Small to medium residential homes and light hydronic heating applications

Q: Why choose cast iron construction?
A: Excellent durability, heat retention, and long service life

Maintenance Tips

• Annual Professional Inspection: Have a licensed technician check burners, controls, and safety systems yearly

• Monitor Water Levels & Pressure: Regularly verify proper boiler water level and system pressure

• Flush System Periodically: Remove sediment and mineral buildup to maintain efficiency and extend life

• Inspect Vents & Flues: Make sure exhaust and vent pathways are clear and functioning properly

• Check for Leaks: Regularly inspect connections, valves, and the boiler exterior for moisture or wear