Slant/Fin Sentry Natural Gas Boiler with 90,000 BTU Input, 66,000 BTU Output Intermittent Electronic Ignition

Sentry boilers provide a blend of efficiency and reliability that will keep your home comfortably warm and your fuel costs low year after year. 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. It's 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.