Sentinel Boiler


  • Fuel: Gas
  • System: Hot Water
  • Combustion: Natural Draft, atmospheric
  • Capacity: 5 sizes, 70 – 210 MBH Input
  • Efficiency: up to AFUE 82.3%

The Sentinel boiler is a hot water gas boiler with a heat exchanger which has for years been a “workhorse” of the heating industry. The Sentinel is available for use with propane or natural gas.  This boiler is popular with many heating contractors for performance and reliability.