Sentry is a gas fired hot water boiler that is ideal for a wide variety of boiler requirements using propane or natural gas. The new Sentry Vestibule version features front mounted controls for easy setup during installation and hassle-free maintenance. The Sentry's classic advanced design provides years of trouble-free, efficient operation while providing easy installation, even in sites with low chimney connections or low overhead clearance.
Hot water system|Natural draft, atmospheric|Integral draft hood fit sites with clearance as low as 38-1/2 in|Low profile makes problem installations easy|Advanced natural draft design promises efficiency and reliability|Includes a reliable, heavy-duty motorized vent damper to maximize efficiency|Metal push nipples connect individual sections|44000 Btu/hr Net AHRI rating water