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Effortless comfort, Maximum Efficiency

CGa™
Gas Boiler Series 3

CGa Gas Boiler Series 3

The Weil-McLain CGa™ Series 3 is a high-efficiency, gas-fired water boiler designed for residential and light commercial applications. Available in seven sizes ranging from 38 to 233 MBH, the CGa™ Series 3 is adaptable to various installation needs, providing efficient and dependable heating solutions.


Features


Quiet Operation

Natural draft, silent operation

Compact Design

Compact design saves valuable living space

Built-In Safety

Now with built-in low water cut off functionality

Durable Burners

Stainless steel burners for quieter ignition, longer life, and improved combustion

Robust Design

Gas fired water boiler with cast iron sections

Service Friendly

Easily accessible controls, vertical flueways and top cleaning for easy and quick servicing

High Efficiency

84% AFUE

big on warmth, low on energy use

Engineered for comfort, designed for efficiency

Certified ENERGY STAR® and heat pump ready, this high-efficiency boiler delivers powerful, eco-friendly performance while keeping energy costs low.

Energy Star logo with text and star design.
A logo with a blue and green gradient droplet and the text "HEAT PUMP READY."

Technical Specs


MODELAFUE (%)CSA INPUT (MBH)NET (MBH)DOE HEATING CAP. (MBH)VENT SIZE (IN.)
CGa-25843827324
CGa-3846748564
CGa-48410073855
CGa-584133981136
CGa-6841661221416
CGa-7842001471707
CGa-8842331721987


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