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Gas-fired Boilers

Weil-McLain® gas-fired boilers are designed for improved fuel economy and long-lasting performance.

Constructed of highly durable components, our high efficiency gas boilers deliver quiet, consistent warmth. A variety of models is available to meet your specific residential and commercial heating needs.

Ultra Series 3-UE Gas Boiler
  • Rating: 96% AFUE
  • Materials: Aluminium heat exchanger
  • Type: Gas
Ultra Series 3 Gas Boiler
  • Rating: 93% AFUE
  • Materials: Aluminum heat exchanger
  • Type: Gas
GV Gas Boiler
  • Rating: 87% AFUE
  • Materials: Cast iron heat exchanger
  • Type: Gas
CGi Gas Boiler
  • Rating: 84% AFUE
  • Materials: Cast iron heat exchanger
  • Type: Gas
CGs Gas Boiler
  • Rating: 85% AFUE
  • Materials: Cast iron heat exchanger
  • Type: Gas
CGt Gas Boiler
  • Rating: 81% AFUE
  • Materials: Cast iron heat exchanger
  • Type: Gas
CGa Gas Boiler
  • Rating: 83% AFUE
  • Materials: Cast iron heat exchanger
  • Type: Gas
EG Gas Boiler
  • Rating: 82% AFUE
  • Materials: Cast iron heat exchanger
  • Type: Gas
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