Product Lines We Carry

High-Efficiency Boilers & Water Heaters

Sentinel Atmospheric Gas Boiler

The Sentinel boiler is a hot water boiler heating system with a heat exchanger which has for years been a workhorse of the heating industry, in boilers chosen by heating contractors for performance and reliability.

  • Easy installation and reliable operation that natural draft design provides
  • Intermittent ignition
  • High performance cast-iron heat exchanger
  • Specially shaped thermal pins promoting efficient heat transfer
  • Assembled with only durable metal push nipples
  • No mechanical combustion aids are required
  • Special port construction will not permit flame to "lift" or flash back
MODELInput MBtuHOutput MBtuHAFUEDimensions
HxWxD		Water Content
Gal.		Weight
Lbs.
SE-7070.0 58.0 82.0 28.5x19.75x11.1 0.00 250
SE-105105.0 87.0 82.1 28.5x19.75x14.1 0.00 310
SE-140140.0 116.0 82.2 28.5x19.75x17.1 0.00 365
SE-175175.0 145.0 82.2 28.5x19.75x20.1 0.00 425
SE-210210.0 173.0 82.3 28.5x19.75x23.1 0.00 485

Warranty Information

  • All Parts for 12 months -
  • Heat Exchanger for 300 months - Limited Lifetime

Available Documents



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