GMGW-8D/9D Gas-Fired Water Boiler | Green Mountain Boilers

GMGW-8D/9D Gas-Fired Water Boiler

As rugged as the outdoors...for dependable comfort everyday.

84% AFUE Efficiency


  • Available in 2 sizes: 262 MBH & 299 MBH Capacities
  • Electronic ignition system and motorized vent damper reduces heating costs.
  • Features a dependable cast iron heat exchanger with cast iron push nipple connections. The sections and push nipples expand at the same rate when heated. By using similar materials instead of less expensive gaskets, the boiler maintains a water tight seal.
  • Adjusts the water temperature based on your heating system demand which further reduces your heating costs.
  • Built-in low water cut-off (LWCO) to protect the boiler from potentially dangerous low water conditions.
  • Features factory installed integrated draft hood diverter which reduces the risk of improper draft hood installation and unsafe CO levels.
  • Low profile reduces installation height by up to 30" compared to models with an external draft diverter hood.
  • 10 year limited warranty

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    Boilers - Gas
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