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.
- Advanced design cast-iron heat exchanger provides superior performance, longer life
- Reliable, motorized heavy-duty vent damper saves energy
- Insulated jacket
- Brand name controls