Sentry is a hot water boiler heating system which is ideal for a wide variety of gas boiler requirements, as a replacement or for new installations. Its advanced design provides years of trouble-free, high efficiency operation while providing easy installation, even in sites with low chimney connections or low overhead clearance.
• Intermittent ignition
• Integral draft hood fit sites with clearance as low as 38-1/2"
• Low profile makes problem installations easy
• Advanced natural draft design promises efficiency & reliability
• Includes a reliable, heavy-duty motorized vent damper to maximize efficiency
• Metal push nipple to connect individual sections
• 25 Year Limited Lifetime Warranty